changeset 13870:bdad80f28d5c gui

Merge default onto gui
author Jordi Gutiérrez Hermoso <jordigh@octave.org>
date Wed, 16 Nov 2011 14:37:55 -0500
parents d80086a9880e (current diff) 87f78c11d725 (diff)
children 5336db83b935
files NEWS configure.ac
diffstat 136 files changed, 3012 insertions(+), 2129 deletions(-) [+]
line wrap: on
line diff
--- a/NEWS	Wed Nov 16 18:51:04 2011 +0000
+++ b/NEWS	Wed Nov 16 14:37:55 2011 -0500
@@ -41,8 +41,10 @@
     format string repeat count, user-specified comment style, uneven-length
     output arrays, %n and %u conversion specifiers (provisionally)
 
- ** Certain string functions have been modified for greater Matlab compatibility
-    and for 15X greater performance when operating on cell array of strings.
+ ** All .m string functions have been modified for better performance or greater
+    Matlab compatibility.  Performance gains of 15X-30X have been demonstrated.
+    Operations on cell array of strings no longer pay quite as high a penalty
+    as those on 2-D character arrays.
 
     deblank:  Now requires character or cellstr input.
     strtrim:  Now requires character or cellstr input.
@@ -50,6 +52,13 @@
     strmatch: Follows documentation precisely and ignores trailing spaces
               in pattern and in string.  Note that Matlab documents this 
               behavior but the implementation does *not* always follow it.
+    substr:   Now possible to specify a negative LEN option which extracts
+              to within LEN of the end of the string.
+    strtok:   Now accepts cellstr input.
+    base2dec, bin2dec, hex2dec: Now accept cellstr inputs.
+    dec2base, dec2bin, dec2hex: Now accept cellstr inputs.
+    index, rindex: Now accept 2-D character array input.
+    strsplit: Now accepts 2-D character array input.
 
  ** Geometry functions derived from Qhull (convhull, delaunay, voronoi)
     have been revamped.  The options passed to the underlying qhull command
@@ -61,17 +70,28 @@
                Default options are "Qt Qbb Qc Qx" for 4D and higher
     voronoi  : No default arguments
 
- ** Matlab-compatible preference functions:
+ ** Date/Time functions updated.
+    Millisecond support with FFF format string now supported.
 
-      addpref  getpref  ispref  rmpref  setpref
-
- ** Other miscellaneous new functions:
+    datestr : Numerical formats 21, 22, 29 changed to match Matlab.
+              Now accepts cellstr inputs.
 
-      nthargout
-      iscolumn
-      issrow
-      zscore
+ ** Octave warning IDs updated
+    "empty-list-elements" : removed
+    "fortran-indexing"    : removed
+    "complex-cmp-ops"     : removed
+    "string-concat"       : renamed to "mixed-string-concat"
+
+ ** Matlab-compatible preference functions added:
 
+    addpref  getpref  ispref  rmpref  setpref
+
+ ** Other new functions added in 3.6.0:
+
+    is_dq_string      python      zscore
+    is_sq_string      usejava 
+    nthargout         waitbar
+                      
  ** Deprecated functions.
 
     The following functions were deprecated in Octave 3.2 and have been
--- a/configure.ac	Wed Nov 16 18:51:04 2011 +0000
+++ b/configure.ac	Wed Nov 16 14:37:55 2011 -0500
@@ -167,6 +167,15 @@
   AC_DEFINE(BOUNDS_CHECKING, 1, [Define to use internal bounds checking.])
 fi
 
+USE_OCTAVE_ALLOCATOR=false
+AC_ARG_ENABLE(octave-allocator,
+  [AS_HELP_STRING([--enable-octave-allocator],
+     [use the obsolete octave_allocator class for many of Octave's objects (mostly octave_value types).  You probably do NOT want to enable this feature.  (default is no)])],
+  [if test "$enableval" = yes; then USE_ALLOCATOR=true; fi], [])
+if $USE_OCTAVE_ALLOCATOR; then
+  AC_DEFINE(USE_OCTAVE_ALLOCATOR, 1, [Define to use octave_allocator class.])
+fi
+
 ### Make it possible to disable running Make in the doc directory.
 ### Useful for building on systems without TeX, for example.
 DOCDIR=doc
@@ -2702,6 +2711,7 @@
   gnuplot:                     $GNUPLOT
 
   Do internal array bounds checking:  $BOUNDS_CHECKING
+  Use octave_allocator:               $USE_OCTAVE_ALLOCATOR
   Build static libraries:             $STATIC_LIBS
   Build shared libraries:             $SHARED_LIBS
   Dynamic Linking:                    $ENABLE_DYNAMIC_LINKING $DL_API_MSG
--- a/doc/interpreter/expr.txi	Wed Nov 16 18:51:04 2011 +0000
+++ b/doc/interpreter/expr.txi	Wed Nov 16 14:37:55 2011 -0500
@@ -425,7 +425,7 @@
 The following arithmetic operators are available, and work on scalars
 and matrices.
 
-@table @code
+@table @asis
 @item @var{x} + @var{y}
 @opindex +
 Addition.  If both operands are matrices, the number of rows and columns
--- a/doc/interpreter/func.txi	Wed Nov 16 18:51:04 2011 +0000
+++ b/doc/interpreter/func.txi	Wed Nov 16 14:37:55 2011 -0500
@@ -359,11 +359,13 @@
 which stops the function execution and prints a message about the correct
 way to call the function whenever the number of inputs is wrong.
 
-For compatibility with @sc{matlab}, @code{nargchk} and @code{nargoutchk} are
-available which provide similar error checking.
+For compatibility with @sc{matlab}, @code{nargchk}, @code{narginchk} and
+@code{nargoutchk} are available which provide similar error checking.
 
 @DOCSTRING(nargchk)
 
+@DOCSTRING(narginchk)
+
 @DOCSTRING(nargoutchk)
 
 @anchor{doc-varargin} @anchor{doc-varargout}
--- a/doc/interpreter/mk_doc_cache.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/doc/interpreter/mk_doc_cache.m	Wed Nov 16 14:37:55 2011 -0500
@@ -30,7 +30,7 @@
 ## It is more efficient to fork to shell for makeinfo only once on large data
 
 nfiles = numel (docstrings_files);
-text = cell (1, nfiles+1);
+text = cell (1, nfiles);
 for i = 1:nfiles
   file = docstrings_files{i};
   fid = fopen (file, "r");
@@ -39,16 +39,17 @@
   else
     tmp = fread (fid, Inf, "*char")';
     ## Strip off header lines
-    [null, text{i}] = strtok (tmp, doc_delim);
+    [~, text{i}] = strtok (tmp, doc_delim);
   endif
 endfor
 text = [text{:}, doc_delim];
 
 ## Modify Octave-specific macros before passing to makeinfo
+text = regexprep (text, "-\\*- texinfo -\\*-[ \t]*[\r\n]*", "");
 text = regexprep (text, '@seealso *\{([^}]*)\}', "See also: $1.");
 text = regexprep (text, '@nospell *\{([^}]*)\}', "$1");
-text = regexprep (text, "-\\*- texinfo -\\*-[ \t]*[\r\n]*", "");
-text = regexprep (text, '@', "@@");
+text = regexprep (text, '@xcode *\{([^}]*)\}', "$1");
+text = strrep (text, '@', "@@");
 
 ## Write data to temporary file for input to makeinfo
 [fid, name, msg] = mkstemp ("octave_doc_XXXXXX", true);
@@ -58,17 +59,14 @@
 fwrite (fid, text, "char");
 fclose (fid);
 
-cmd = sprintf ("%s --no-headers --no-warn --force --no-validate --fill-column=1024 %s",
-               makeinfo_program (), name);
+cmd = [makeinfo_program() " --no-headers --no-warn --force --no-validate --fill-column=1024 " name];
 
 [status, formatted_text] = system (cmd);
 
 ## Did we get the help text?
 if (status != 0)
   error ("makeinfo failed with exit status %d!", status);
-endif
-
-if (isempty (formatted_text))
+elseif (isempty (formatted_text))
   error ("makeinfo produced no output!");
 endif
 
@@ -85,42 +83,32 @@
 
   [symbol, doc] = strtok (block, "\r\n");
 
-  doc = regexprep (doc, "^[\r\n]+", '');
-
   ## Skip internal functions that start with __ as these aren't
   ## indexed by lookfor.
   if (length (symbol) > 2 && regexp (symbol, '^__.+__$'))
     continue;
   endif
 
+  doc = regexprep (doc, "^[\r\n]+", '', 'once');
+
   if (isempty (doc))
     continue;
   endif
 
-  tmp = doc;
-  found = 0;
-  do
-    [s, e] = regexp (tmp, "^ -- [^\r\n]*[\r\n]");
-    if (! isempty(s))
-      found = 1;
-      tmp = tmp(e+1:end);
-    endif
-  until (isempty (s))
+  tmp = regexprep (doc, "^ -- .*$[\r\n]", '', 'lineanchors', 'dotexceptnewline');
 
-  if (! found)
+  if (isempty (tmp))
     continue;
   endif
 
   end_of_first_sentence = regexp (tmp, "(\\.|[\r\n][\r\n])", "once");
   if (isempty (end_of_first_sentence))
     end_of_first_sentence = length (tmp);
-  else
-    end_of_first_sentence = end_of_first_sentence;
   endif
 
   first_sentence = tmp(1:end_of_first_sentence);
   first_sentence = regexprep (first_sentence, "([\r\n]| {2,})", " ");
-  first_sentence = regexprep (first_sentence, '^ +', "");
+  first_sentence = regexprep (first_sentence, '^ +', "", 'once');
 
   cache{1,k} = symbol;
   cache{2,k} = doc;
--- a/doc/interpreter/octave.texi	Wed Nov 16 18:51:04 2011 +0000
+++ b/doc/interpreter/octave.texi	Wed Nov 16 14:37:55 2011 -0500
@@ -46,6 +46,20 @@
 \arg\
 @end macro
 
+@c The following macro works around a situation where the Info/plain text
+@c expansion of the @code{XXX} macro is `XXX'.  The use of the apostrophe
+@c can be confusing if the code segment itself ends with a transpose operator.
+@ifinfo
+@macro xcode{arg}
+\arg\
+@end macro
+@end ifinfo
+@ifnotinfo
+@macro xcode{arg}
+@code{\arg\}
+@end macro
+@end ifnotinfo
+
 @ifinfo
 @format
 START-INFO-DIR-ENTRY
--- a/doc/interpreter/package.txi	Wed Nov 16 18:51:04 2011 +0000
+++ b/doc/interpreter/package.txi	Wed Nov 16 14:37:55 2011 -0500
@@ -179,27 +179,39 @@
 Internally a package is simply a gzipped tar file that contains a
 top level directory of any given name.  This directory will in the
 following be referred to as @code{package} and may contain the
-following files
+following files:
 
 @noindent
 @table @code
-@item package/DESCRIPTION
-This is a required file containing information about the package.
-@xref{The DESCRIPTION File}, for details on this file.
-
 @item package/COPYING
 This is a required file containing the license of the package.  No
 restrictions is made on the license in general.  If however the
 package contains dynamically linked functions the license must be
 compatible with the GNU General Public License.
 
+@item package/DESCRIPTION
+This is a required file containing information about the package.
+@xref{The DESCRIPTION File}, for details on this file.
+
+@item package/ChangeLog
+This is an optional file describing all the changes made to the
+package source files.
+
 @item package/INDEX
 This is an optional file describing the functions provided by the
 package.  If this file is not given then one with be created
 automatically from the functions in the package and the
-@code{Categories} keyword in the @code{DESCRIPTION} file.
+@code{Categories} keyword in the @file{DESCRIPTION} file.
 @xref{The INDEX File}, for details on this file.
 
+@item package/NEWS
+This is an optional file describing all user-visible changes worth
+mentioning. As this file increases on size, old entries can be moved
+into @file{package/ONEWS}.
+
+@item package/ONEWS
+This is an optional file describing old entries from the @file{NEWS} file.
+
 @anchor{doc-PKG_ADD}
 @item package/PKG_ADD
 An optional file that includes commands that are run when the package
@@ -246,7 +258,7 @@
 @end table
 
 Besides the above mentioned files, a package can also contain on or
-more of the following directories
+more of the following directories:
 
 @noindent
 @table @code
@@ -289,7 +301,7 @@
 @node The DESCRIPTION File
 @subsection The DESCRIPTION File
 
-The @code{DESCRIPTION} file contains various information about the
+The @file{DESCRIPTION} file contains various information about the
 package, such as its name, author, and version.  This file has a very
 simple format
 
@@ -307,7 +319,7 @@
 @end itemize
 
 @noindent
-The following is a simple example of a @code{DESCRIPTION} file
+The following is a simple example of a @file{DESCRIPTION} file
 
 @example
 @group
@@ -334,7 +346,8 @@
 Name of the package.
 
 @item Version
-Version of the package.
+Version of the package.  A package version must be 3 numbers separated
+by a dot.
 
 @item Date
 Date of last update.
@@ -352,7 +365,7 @@
 A one paragraph description of the package.
 
 @item Categories
-Optional keyword describing the package (if no @code{INDEX} file is
+Optional keyword describing the package (if no @file{INDEX} file is
 given this is mandatory).
 
 @item Problems
@@ -385,7 +398,7 @@
 
 @item License
 An optional short description of the used license (e.g., GPL version 3
-or newer).  This is optional since the file @code{COPYING} is mandatory.
+or newer).  This is optional since the file @file{COPYING} is mandatory.
 
 @item SystemRequirements
 These are the external install dependencies of the package and are not
@@ -407,7 +420,7 @@
 
 @noindent
 The developer is free to add additional arguments to the 
-@code{DESCRIPTION} file for their own purposes.  One further detail to
+@file{DESCRIPTION} file for their own purposes.  One further detail to
 aid the packager is that the @code{SystemRequirements} and
 @code{BuildRequires} keywords can have a distribution dependent section,
 and the automatic build process will use these.  An example of the
@@ -425,7 +438,7 @@
 @node The INDEX File
 @subsection The INDEX File
 
-The optional @code{INDEX} file provides a categorical view of the
+The optional @file{INDEX} file provides a categorical view of the
 functions in the package.  This file has a very simple format
 
 @noindent
--- a/doc/interpreter/system.txi	Wed Nov 16 18:51:04 2011 +0000
+++ b/doc/interpreter/system.txi	Wed Nov 16 14:37:55 2011 -0500
@@ -230,6 +230,8 @@
 
 @DOCSTRING(tempname)
 
+@DOCSTRING(recycle)
+
 @node File Archiving Utilities
 @section File Archiving Utilities
 
@@ -302,6 +304,8 @@
 
 @DOCSTRING(perl)
 
+@DOCSTRING(python)
+
 @DOCSTRING(popen)
 
 @DOCSTRING(pclose)
--- a/liboctave/CMatrix.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/liboctave/CMatrix.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -1571,6 +1571,9 @@
 {
   ComplexDET retval (1.0);
 
+  info = 0;
+  rcon = 0.0;
+
   octave_idx_type nr = rows ();
   octave_idx_type nc = cols ();
 
@@ -1599,7 +1602,6 @@
           ComplexMatrix atmp = *this;
           Complex *tmp_data = atmp.fortran_vec ();
 
-          info = 0;
           double anorm = 0;
           if (calc_cond) anorm = xnorm (*this, 1);
 
@@ -3795,7 +3797,7 @@
           octave_idx_type lda = a.rows (), tda = a.cols ();
           octave_idx_type ldb = b.rows (), tdb = b.cols ();
 
-          retval = ComplexMatrix (a_nr, b_nc);
+          retval = ComplexMatrix (a_nr, b_nc, 0.0);
           Complex *c = retval.fortran_vec ();
 
           if (b_nc == 1 && a_nr == 1)
--- a/liboctave/Sparse.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/liboctave/Sparse.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -1486,9 +1486,6 @@
     }
   else
     {
-      (*current_liboctave_warning_with_id_handler)
-        ("Octave:fortran-indexing", "single index used for sparse matrix");
-
       if (nr != 0 && idx.is_scalar ())
         retval = Sparse<T> (1, 1, elem (idx(0) % nr, idx(0) / nr));
       else
--- a/liboctave/dMatrix.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/liboctave/dMatrix.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -1239,6 +1239,9 @@
 {
   DET retval (1.0);
 
+  info = 0;
+  rcon = 0.0;
+
   octave_idx_type nr = rows ();
   octave_idx_type nc = cols ();
 
@@ -1267,7 +1270,6 @@
           Matrix atmp = *this;
           double *tmp_data = atmp.fortran_vec ();
 
-          info = 0;
           double anorm = 0;
           if (calc_cond) anorm = xnorm (*this, 1);
 
@@ -2655,6 +2657,13 @@
 }
 
 bool
+Matrix::any_element_is_positive (bool neg_zero) const
+{
+  return (neg_zero ? test_all (xpositive_sign)
+          : do_mx_check<double> (*this, mx_inline_any_positive));
+}
+
+bool
 Matrix::any_element_is_nan (void) const
 {
   return do_mx_check<double> (*this, mx_inline_any_nan);
--- a/liboctave/dMatrix.h	Wed Nov 16 18:51:04 2011 +0000
+++ b/liboctave/dMatrix.h	Wed Nov 16 14:37:55 2011 -0500
@@ -296,6 +296,7 @@
   // other operations
 
   bool any_element_is_negative (bool = false) const;
+  bool any_element_is_positive (bool = false) const;
   bool any_element_is_nan (void) const;
   bool any_element_is_inf_or_nan (void) const;
   bool any_element_not_one_or_zero (void) const;
--- a/liboctave/dNDArray.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/liboctave/dNDArray.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -554,6 +554,13 @@
 }
 
 bool
+NDArray::any_element_is_positive (bool neg_zero) const
+{
+  return (neg_zero ? test_all (xpositive_sign)
+          : do_mx_check<double> (*this, mx_inline_any_positive));
+}
+
+bool
 NDArray::any_element_is_nan (void) const
 {
   return do_mx_check<double> (*this, mx_inline_any_nan);
--- a/liboctave/dNDArray.h	Wed Nov 16 18:51:04 2011 +0000
+++ b/liboctave/dNDArray.h	Wed Nov 16 14:37:55 2011 -0500
@@ -75,6 +75,7 @@
   boolNDArray operator ! (void) const;
 
   bool any_element_is_negative (bool = false) const;
+  bool any_element_is_positive (bool = false) const;
   bool any_element_is_nan (void) const;
   bool any_element_is_inf_or_nan (void) const;
   bool any_element_not_one_or_zero (void) const;
--- a/liboctave/fCMatrix.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/liboctave/fCMatrix.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -1567,6 +1567,9 @@
 {
   FloatComplexDET retval (1.0);
 
+  info = 0;
+  rcon = 0.0;
+
   octave_idx_type nr = rows ();
   octave_idx_type nc = cols ();
 
@@ -1595,7 +1598,6 @@
           FloatComplexMatrix atmp = *this;
           FloatComplex *tmp_data = atmp.fortran_vec ();
 
-          info = 0;
           float anorm = 0;
           if (calc_cond) anorm = xnorm (*this, 1);
 
@@ -3791,7 +3793,7 @@
           octave_idx_type lda = a.rows (), tda = a.cols ();
           octave_idx_type ldb = b.rows (), tdb = b.cols ();
 
-          retval = FloatComplexMatrix (a_nr, b_nc);
+          retval = FloatComplexMatrix (a_nr, b_nc, 0.0);
           FloatComplex *c = retval.fortran_vec ();
 
           if (b_nc == 1 && a_nr == 1)
--- a/liboctave/fMatrix.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/liboctave/fMatrix.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -1239,6 +1239,9 @@
 {
   FloatDET retval (1.0);
 
+  info = 0;
+  rcon = 0.0;
+
   octave_idx_type nr = rows ();
   octave_idx_type nc = cols ();
 
@@ -1267,7 +1270,6 @@
           FloatMatrix atmp = *this;
           float *tmp_data = atmp.fortran_vec ();
 
-          info = 0;
           float anorm = 0;
           if (calc_cond) anorm = xnorm (*this, 1);
 
@@ -2655,6 +2657,13 @@
 }
 
 bool
+FloatMatrix::any_element_is_positive (bool neg_zero) const
+{
+  return (neg_zero ? test_all (xpositive_sign)
+          : do_mx_check<float> (*this, mx_inline_any_positive));
+}
+
+bool
 FloatMatrix::any_element_is_nan (void) const
 {
   return do_mx_check<float> (*this, mx_inline_any_nan);
--- a/liboctave/fMatrix.h	Wed Nov 16 18:51:04 2011 +0000
+++ b/liboctave/fMatrix.h	Wed Nov 16 14:37:55 2011 -0500
@@ -296,6 +296,7 @@
   // other operations
 
   bool any_element_is_negative (bool = false) const;
+  bool any_element_is_positive (bool = false) const;
   bool any_element_is_nan (void) const;
   bool any_element_is_inf_or_nan (void) const;
   bool any_element_not_one_or_zero (void) const;
--- a/liboctave/fNDArray.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/liboctave/fNDArray.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -514,6 +514,13 @@
 }
 
 bool
+FloatNDArray::any_element_is_positive (bool neg_zero) const
+{
+  return (neg_zero ? test_all (xpositive_sign)
+          : do_mx_check<float> (*this, mx_inline_any_positive));
+}
+
+bool
 FloatNDArray::any_element_is_nan (void) const
 {
   return do_mx_check<float> (*this, mx_inline_any_nan);
--- a/liboctave/fNDArray.h	Wed Nov 16 18:51:04 2011 +0000
+++ b/liboctave/fNDArray.h	Wed Nov 16 14:37:55 2011 -0500
@@ -72,6 +72,7 @@
   boolNDArray operator ! (void) const;
 
   bool any_element_is_negative (bool = false) const;
+  bool any_element_is_positive (bool = false) const;
   bool any_element_is_nan (void) const;
   bool any_element_is_inf_or_nan (void) const;
   bool any_element_not_one_or_zero (void) const;
--- a/liboctave/lo-mappers.h	Wed Nov 16 18:51:04 2011 +0000
+++ b/liboctave/lo-mappers.h	Wed Nov 16 14:37:55 2011 -0500
@@ -218,6 +218,10 @@
 extern OCTAVE_API bool xnegative_sign (double x);
 extern OCTAVE_API bool xnegative_sign (float x);
 
+// Test for positive sign.
+inline bool xpositive_sign (double x) { return ! xnegative_sign (x); }
+inline bool xpositive_sign (float x) { return ! xnegative_sign (x); }
+
 // Some old rounding functions.
 
 extern OCTAVE_API octave_idx_type NINTbig (double x);
--- a/liboctave/mx-inlines.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/liboctave/mx-inlines.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -215,6 +215,19 @@
   return false;
 }
 
+template <class T>
+inline bool
+mx_inline_any_positive (size_t n, const T* x) throw ()
+{
+  for (size_t i = 0; i < n; i++)
+    {
+      if (x[i] > 0)
+        return true;
+    }
+
+  return false;
+}
+
 template<class T>
 inline bool
 mx_inline_all_real (size_t n, const std::complex<T>* x) throw ()
--- a/liboctave/oct-alloc.h	Wed Nov 16 18:51:04 2011 +0000
+++ b/liboctave/oct-alloc.h	Wed Nov 16 14:37:55 2011 -0500
@@ -72,6 +72,8 @@
       { ::operator delete (p); }
 #endif
 
+#if defined (USE_OCTAVE_ALLOCATOR)
+
 #define DECLARE_OCTAVE_ALLOCATOR \
   public: \
     void *operator new (size_t size, void *p) \
@@ -88,4 +90,12 @@
 #define DEFINE_OCTAVE_ALLOCATOR2(t, s) \
   octave_allocator t::allocator (sizeof (t), s)
 
+#else
+
+#define DECLARE_OCTAVE_ALLOCATOR
+#define DEFINE_OCTAVE_ALLOCATOR(t)
+#define DEFINE_OCTAVE_ALLOCATOR2(t, s)
+
 #endif
+
+#endif
--- a/scripts/audio/playaudio.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/audio/playaudio.m	Wed Nov 16 14:37:55 2011 -0500
@@ -30,24 +30,22 @@
 
 function playaudio (name, ext)
 
-  if (nargin == 1 && isvector (name) && ! ischar (name))
+  if (nargin < 1 || nargin > 2)
+    print_usage ();
+  endif
+
+  if (nargin == 1 && isnumeric (name))
     ## play a vector
-    [nr, nc] = size (name);
-    if (nc != 1)
-      if (nr == 1)
-        name = name';
-        nr = nc;
-      else
-        error ("playaudio: X must be a vector");
-      endif
+    if (! isvector (name))
+      error ("playaudio: X must be a vector");
     endif
-    X = name + 127;
+    X = name(:) + 127;
     unwind_protect
       file = tmpnam ();
-      num = fopen (file, "wb");
-      c = fwrite (num, X, "uchar");
-      fclose (num);
-      [status, out] = system (sprintf ("cat \"%s\" > /dev/dsp", file));
+      fid = fopen (file, "wb");
+      fwrite (fid, X, "uchar");
+      fclose (fid);
+      [status, out] = system (sprintf ('cat "%s" > /dev/dsp', file));
       if (status != 0)
         system (sprintf ("paplay --raw \"%s\"", file))
       endif
@@ -57,28 +55,34 @@
   elseif (nargin >= 1 && ischar (name))
     ## play a file
     if (nargin == 1)
-      name = [name, ".lin"];
+      name = [name ".lin"];
     elseif (nargin == 2)
-      name = [name, ".", ext];
-    else
-      print_usage ();
+      name = [name "." ext];
     endif
-    if (strcmp (ext, "lin") || strcmp (ext, "raw"))
-      [status, out] = system (sprintf ("cat \"%s\" > /dev/dsp", name));
+    if (any (strcmp (ext, {"lin", "raw"})))
+      [status, out] = system (sprintf ('cat "%s" > /dev/dsp', name));
       if (status != 0)
-        system (sprintf ("paplay --raw \"%s\"", name))
+        system (sprintf ('paplay --raw "%s"', name))
       endif
-    elseif (strcmp (ext, "mu") || strcmp (ext, "au")
-            || strcmp (ext, "snd") || strcmp (ext, "ul"))
-      [status, out] = system (sprintf ("cat \"%s\" > /dev/audio", name));
+    elseif (any (strcmp (ext, {"mu", "au" "snd", "ul"})))
+      [status, out] = system (sprintf ('cat "%s" > /dev/audio', name));
       if (status != 0)
-        system (sprintf ("paplay \"%s\"", name))
+        system (sprintf ('paplay "%s"', name))
       endif
     else
-      error ("playaudio: unsupported extension");
+      error ("playaudio: unsupported extension '%s'", ext);
     endif
   else
     print_usage ();
   endif
 
 endfunction
+
+
+%% Test input validation
+%!error playaudio ()
+%!error playaudio (1,2,3)
+%!error <X must be a vector> playaudio (magic (3))
+%!error <unsupported extension> playaudio ("file", "abc")
+%!error playaudio ({"abc"})
+
--- a/scripts/audio/wavwrite.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/audio/wavwrite.m	Wed Nov 16 14:37:55 2011 -0500
@@ -143,38 +143,41 @@
 endfunction
 
 
+%!shared fname
+%! fname = tmpnam ();
+
 %!test
 %! A = [-1:0.1:1; -1:0.1:1];
-%! wavwrite (A, "a.wav");
-%! [B, samples_per_sec, bits_per_sample] = wavread ("a.wav");
-%! assert(A,B, 1/2^15);
-%! assert(samples_per_sec, 8000);
-%! assert(bits_per_sample, 16);
-%! delete ("a.wav");
+%! wavwrite (A, fname);
+%! [B, samples_per_sec, bits_per_sample] = wavread (fname);
+%! assert (A,B, 1/2^15);
+%! assert (samples_per_sec, 8000);
+%! assert (bits_per_sample, 16);
+%! unlink (fname);
 %
 %!test
 %! A = [-1:0.1:1; -1:0.1:1];
-%! wavwrite (A, 4000, "a.wav");
-%! [B, samples_per_sec, bits_per_sample] = wavread ("a.wav");
-%! assert(A,B, 1/2^15);
-%! assert(samples_per_sec, 4000);
-%! assert(bits_per_sample, 16);
-%! delete ("a.wav");
+%! wavwrite (A, 4000, fname);
+%! [B, samples_per_sec, bits_per_sample] = wavread (fname);
+%! assert (A,B, 1/2^15);
+%! assert (samples_per_sec, 4000);
+%! assert (bits_per_sample, 16);
+%! unlink (fname);
 %
 %!test
 %! A = [-1:0.1:1; -1:0.1:1];
-%! wavwrite (A, 4000, 8, "a.wav");
-%! [B, samples_per_sec, bits_per_sample] = wavread ("a.wav");
-%! assert(A,B, 1/128);
-%! assert(samples_per_sec, 4000);
-%! assert(bits_per_sample, 8);
-%! delete ("a.wav");
+%! wavwrite (A, 4000, 8, fname);
+%! [B, samples_per_sec, bits_per_sample] = wavread (fname);
+%! assert (A,B, 1/128);
+%! assert (samples_per_sec, 4000);
+%! assert (bits_per_sample, 8);
+%! unlink (fname);
 %
 %!test
 %! A = [-2:2];
-%! wavwrite (A, "a.wav");
-%! B = wavread ("a.wav");
+%! wavwrite (A, fname);
+%! B = wavread (fname);
 %! B *= 32768;
-%! assert(B, [-32768 -32768 0 32767 32767]);
-%! delete ("a.wav");
+%! assert (B, [-32768 -32768 0 32767 32767]);
+%! unlink (fname);
 
--- a/scripts/general/accumarray.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/general/accumarray.m	Wed Nov 16 14:37:55 2011 -0500
@@ -31,7 +31,9 @@
 ## The size of the matrix will be determined by the subscripts
 ## themselves. However, if @var{sz} is defined it determines the matrix
 ## size. The length of @var{sz} must correspond to the number of columns
-## in @var{subs}.
+## in @var{subs}. An exception is if @var{subs} has only one column, in
+## which case @var{sz} may be the dimensions of a vector and the subscripts
+## of @var{subs} are taken as the indices into it.
 ##
 ## The default action of @code{accumarray} is to sum the elements with
 ## the same subscripts.  This behavior can be modified by defining the
@@ -40,8 +42,14 @@
 ## function should not depend on the order of the subscripts.
 ##
 ## The elements of the returned array that have no subscripts associated
-## with them are set to zero.  Defining @var{fillval} to some other
-## value allows these values to be defined.
+## with them are set to zero. Defining @var{fillval} to some other value
+## allows these values to be defined. This behaviour changes, however,
+## for certain values of @var{func}. If @var{func} is @code{min}
+## (respectively, @code{max}) then the result will be filled with the
+## minimum (respectively, maximum) integer if @var{vals} is of integral
+## type, logical false (respectively, logical true) if @var{vals} is of
+## logical type, zero if @var{fillval} is zero and all values are
+## nonpositive (respectively, nonnegative), and NaN otherwise.
 ##
 ## By default @code{accumarray} returns a full matrix.  If
 ## @var{issparse} is logically true, then a sparse matrix is returned
@@ -166,7 +174,14 @@
     if (isempty (sz))
       A = sparse (subs(:,1), subs(:,2), vals, mode);
     elseif (length (sz) == 2)
-      A = sparse (subs(:,1), subs(:,2), vals, sz(1), sz(2), mode);
+
+      ## Row vector case
+      if (sz(1) == 1)
+        [i, j] = deal (subs(:,2), subs(:,1));
+      else
+        [i, j] = deal (subs(:,1), subs(:,2));
+      endif
+      A = sparse (i, j, vals, sz(1), sz(2), mode);
     else
       error ("accumarray: dimensions mismatch");
     endif
@@ -248,6 +263,9 @@
         zero = intmax (class (vals));
       elseif (islogical (vals))
         zero = true;
+      elseif (fillval == 0 && all (vals(:) <= 0))
+        ## This is a common case - fillval is zero, all numbers nonpositive.
+        zero = 0;
       else
         zero = NaN; # Neutral value.
       endif
@@ -313,6 +331,10 @@
 %!assert (accumarray ([1 1; 2 1; 2 3; 2 1; 2 3],101:105,[2 4],@prod,0,true),sparse([1,2,2],[1,1,3],[101,10608,10815],2,4))
 %!assert (accumarray ([1 1; 2 1; 2 3; 2 1; 2 3],1,[2,4]), [1,0,0,0;2,0,2,0])
 %!assert (accumarray ([1 1; 2 1; 2 3; 2 1; 2 3],101:105,[2,4],@(x)length(x)>1),[false,false,false,false;true,false,true,false])
+%!assert (accumarray ([1; 2], [3; 4], [2, 1], @min, [], 0), [3; 4])
+%!assert (accumarray ([1; 2], [3; 4], [2, 1], @min, [], 1), sparse ([3; 4]))
+%!assert (accumarray ([1; 2], [3; 4], [1, 2], @min, [], 0), [3, 4])
+%!assert (accumarray ([1; 2], [3; 4], [1, 2], @min, [], 1), sparse ([3, 4]))
 %!test
 %! A = accumarray ([1 1; 2 1; 2 3; 2 1; 2 3],101:105,[2,4],@(x){x});
 %! assert (A{2},[102;104])
--- a/scripts/general/display.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/general/display.m	Wed Nov 16 14:37:55 2011 -0500
@@ -33,9 +33,18 @@
 ## @end deftypefn
 
 function idx = display (a)
-  if (nargin == 1)
-    error ("display: not defined for class \"%s\"", class(a));
-  else
+
+  if (nargin != 1)
     print_usage ();
   endif
+ 
+  ## Only reason we got here is that there was no overloaded display()
+  ## function for object a.  This may mean it is a built-in.
+  str = disp (a);
+  if (isempty (strfind (str, "<class ")))
+    disp (str);   
+  else
+    error ('display: not defined for class "%s"', class (a));
+  endif
+
 endfunction
--- a/scripts/general/interpft.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/general/interpft.m	Wed Nov 16 14:37:55 2011 -0500
@@ -46,32 +46,29 @@
     print_usage ();
   endif
 
+  if (! (isscalar (n) && n == fix (n)))
+    error ("interpft: N must be a scalar integer");
+  endif
+
   if (nargin == 2)
-    if (isvector (x) && size (x, 1) == 1)
+    if (isrow (x))
       dim = 2;
     else
       dim = 1;
     endif
   endif
 
-  if (! isscalar (n))
-    error ("interpft: N must be an integer scalar");
-  endif
-
   nd = ndims (x);
 
   if (dim < 1 || dim > nd)
-    error ("interpft: integrating over invalid dimension");
+    error ("interpft: invalid dimension DIM");
   endif
 
   perm = [dim:nd, 1:(dim-1)];
   x = permute (x, perm);
-  m = size (x, 1);
+  m = rows (x);
 
-  inc = 1;
-  while (inc*n < m)
-    inc++;
-  endwhile
+  inc = max (1, fix (m/n));
   y = fft (x) / m;
   k = floor (m / 2);
   sz = size (x);
@@ -90,8 +87,10 @@
   endif
 
   z = ipermute (z, perm);
+
 endfunction
 
+
 %!demo
 %! t = 0 : 0.3 : pi; dt = t(2)-t(1);
 %! n = length (t); k = 100;
@@ -108,5 +107,10 @@
 %!assert (interpft(y', n), y', 20*eps);
 %!assert (interpft([y,y],n), [y,y], 20*eps);
 
-%!error (interpft(y,n,0))
-%!error (interpft(y,[n,n]))
+%% Test input validation
+%!error interpft ()
+%!error interpft (1)
+%!error interpft (1,2,3)
+%!error (interpft(1,[n,n]))
+%!error (interpft(1,2,0))
+%!error (interpft(1,2,3))
--- a/scripts/general/module.mk	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/general/module.mk	Wed Nov 16 14:37:55 2011 -0500
@@ -53,6 +53,7 @@
   general/loadobj.m \
   general/logspace.m \
   general/nargchk.m \
+  general/narginchk.m \
   general/nargoutchk.m \
   general/nthargout.m \
   general/nextpow2.m \
--- a/scripts/general/nargchk.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/general/nargchk.m	Wed Nov 16 14:37:55 2011 -0500
@@ -25,7 +25,7 @@
 ##
 ## This is useful for checking to see that the number of input arguments
 ## supplied to a function is within an acceptable range.
-## @seealso{nargoutchk, error, nargin, nargout}
+## @seealso{nargoutchk, narginchk, error, nargin, nargout}
 ## @end deftypefn
 
 ## Author: Bill Denney <bill@denney.ws>
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/scripts/general/narginchk.m	Wed Nov 16 14:37:55 2011 -0500
@@ -0,0 +1,69 @@
+## Copyright (C) 2011 Carnë Draug
+##
+## This file is part of Octave.
+##
+## Octave is free software; you can redistribute it and/or modify it
+## under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 3 of the License, or (at
+## your option) any later version.
+##
+## Octave is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+## General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with Octave; see the file COPYING.  If not, see
+## <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn {Function File} {} narginchk (@var{minargs}, @var{maxargs})
+## Check for correct number of arguments or generate an error message if
+## the number of arguments in the calling function is outside the range
+## @var{minargs} and @var{maxargs}.  Otherwise, do nothing.
+##
+## Both @var{minargs} and @var{maxargs} need to be scalar numeric
+## values.  Zero, Inf and negative values are all allowed, and
+## @var{minargs} and @var{maxargs} may be equal.
+##
+## Note that this function evaluates @code{nargin} on the caller.
+##
+## @seealso{nargchk, nargoutchk, error, nargout, nargin}
+## @end deftypefn
+
+## Author: Carnë Draug <carandraug+dev@gmail.com>
+
+function narginchk (minargs, maxargs)
+
+  if (nargin != 2)
+    print_usage;
+  elseif (!isnumeric (minargs) || !isscalar (minargs))
+    error ("minargs must be a numeric scalar");
+  elseif (!isnumeric (maxargs) || !isscalar (maxargs))
+    error ("maxargs must be a numeric scalar");
+  elseif (minargs > maxargs)
+    error ("minargs cannot be larger than maxargs")
+  endif
+
+  args = evalin ("caller", "nargin;");
+
+  if (args < minargs)
+    error ("not enough input arguments");
+  elseif (args > maxargs)
+    error ("too many input arguments");
+  endif
+
+endfunction
+
+%!function f (nargs, varargin)
+%! narginchk (nargs(1), nargs(2));
+%!endfunction
+
+%!error <too many input arguments> f([0,0])
+%!error <not enough input arguments> f([3, 3], 1)
+
+%!test
+%! f([1,1])
+
+%!test
+%! f([1,5], 2, 3, 4, 5)
--- a/scripts/general/nargoutchk.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/general/nargoutchk.m	Wed Nov 16 14:37:55 2011 -0500
@@ -1,4 +1,5 @@
 ## Copyright (C) 2008-2011 Bill Denney
+## Copyright (C) 2011 Carnë Draug
 ##
 ## This file is part of Octave.
 ##
@@ -17,52 +18,92 @@
 ## <http://www.gnu.org/licenses/>.
 
 ## -*- texinfo -*-
-## @deftypefn  {Function File} {@var{msgstr} =} nargoutchk (@var{minargs}, @var{maxargs}, @var{nargs})
+## @deftypefn  {Function File} {} nargoutchk (@var{minargs}, @var{maxargs})
+## @deftypefnx {Function File} {@var{msgstr} =} nargoutchk (@var{minargs}, @var{maxargs}, @var{nargs})
 ## @deftypefnx {Function File} {@var{msgstr} =} nargoutchk (@var{minargs}, @var{maxargs}, @var{nargs}, "string")
 ## @deftypefnx {Function File} {@var{msgstruct} =} nargoutchk (@var{minargs}, @var{maxargs}, @var{nargs}, "struct")
-## Return an appropriate error message string (or structure) if the
-## number of outputs requested is invalid.
+## Check for correct number of output arguments.
+##
+## On the first form, returns an error unless the number of arguments in its
+## caller is between the values of @var{minargs} and @var{maxargs}. It does
+## nothing otherwise. Note that this function evaluates the value of
+## @code{nargout} on the caller so its value must have not been tampered with.
+##
+## Both @var{minargs} and @var{maxargs} need to be a numeric scalar. Zero, Inf
+## and negative are all valid, and they can have the same value.
+##
+## For backward compatibility reasons, the other forms return an appropriate
+## error message string (or structure) if the number of outputs requested is
+## invalid.
 ##
 ## This is useful for checking to see that the number of output
 ## arguments supplied to a function is within an acceptable range.
-## @seealso{nargchk, error, nargout, nargin}
+## @seealso{nargchk, narginchk, error, nargout, nargin}
 ## @end deftypefn
 
 ## Author: Bill Denney <bill@denney.ws>
+## Author: Carnë Draug <carandraug+dev@gmail.com>
 
 function msg = nargoutchk (minargs, maxargs, nargs, outtype)
 
-  if (nargin < 3 || nargin > 4)
-    print_usage ();
-  elseif (minargs > maxargs)
-    error ("nargoutchk: MINARGS must be <= MAXARGS");
-  elseif (nargin == 3)
-    outtype = "string";
-  elseif (! any (strcmpi (outtype, {"string" "struct"})))
-    error ("nargoutchk: output type must be either string or struct");
-  elseif (! (isscalar (minargs) && isscalar (maxargs) && isscalar (nargs)))
-    error ("nargoutchk: MINARGS, MAXARGS, and NARGS must be scalars");
-  endif
+  ## before matlab's 2011b, nargoutchk would return an error message (just the
+  ## message in a string). With 2011b, it no longer returns anything, it simply
+  ## gives an error if the args number is incorrect.
+  ## To try to keep compatibility with both versions, check nargout and nargin
+  ## to guess if the caller is expecting a value (old syntax) or none (new syntax)
+
+  if (nargout == 1 && (nargin == 3 || nargin == 4))
+
+    if (minargs > maxargs)
+      error ("nargoutchk: MINARGS must be <= MAXARGS");
+    elseif (nargin == 3)
+      outtype = "string";
+    elseif (! any (strcmpi (outtype, {"string" "struct"})))
+      error ("nargoutchk: output type must be either string or struct");
+    elseif (! (isscalar (minargs) && isscalar (maxargs) && isscalar (nargs)))
+      error ("nargoutchk: MINARGS, MAXARGS, and NARGS must be scalars");
+    endif
+
+    msg = struct ("message", "", "identifier", "");
+    if (nargs < minargs)
+      msg.message = "not enough output arguments";
+      msg.identifier = "Octave:nargoutchk:not-enough-outputs";
+    elseif (nargs > maxargs)
+      msg.message = "too many output arguments";
+      msg.identifier = "Octave:nargoutchk:too-many-outputs";
+    endif
 
-  msg = struct ("message", "", "identifier", "");
-  if (nargs < minargs)
-    msg.message = "not enough output arguments";
-    msg.identifier = "Octave:nargoutchk:not-enough-outputs";
-  elseif (nargs > maxargs)
-    msg.message = "too many output arguments";
-    msg.identifier = "Octave:nargoutchk:too-many-outputs";
-  endif
+    if (strcmpi (outtype, "string"))
+      msg = msg.message;
+    elseif (isempty (msg.message))
+      ## Compatability: Matlab returns a 0x1 empty struct when nargchk passes
+      msg = resize (msg, 0, 1);
+    endif
+
+  elseif (nargout == 0 && nargin == 2)
 
-  if (strcmpi (outtype, "string"))
-    msg = msg.message;
-  elseif (isempty (msg.message))
-    ## Compatability: Matlab returns a 0x1 empty struct when nargchk passes
-    msg = resize (msg, 0, 1);
+    if (!isnumeric (minargs) || !isscalar (minargs))
+      error ("minargs must be a numeric scalar");
+    elseif (!isnumeric (maxargs) || !isscalar (maxargs))
+      error ("maxargs must be a numeric scalar");
+    elseif (minargs > maxargs)
+      error ("minargs cannot be larger than maxargs")
+    endif
+
+    args = evalin ("caller", "nargout;");
+
+    if (args < minargs)
+      error ("Not enough output arguments.");
+    elseif (args > maxargs)
+      error ("Too many output arguments.");
+    endif
+
+  else
+    print_usage;
   endif
 
 endfunction
 
-
 ## Tests
 %!shared stnul, stmin, stmax
 %!  stnul = resize (struct ("message", "", "identifier", ""), 0, 1);
--- a/scripts/general/profshow.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/general/profshow.m	Wed Nov 16 14:37:55 2011 -0500
@@ -90,15 +90,8 @@
 %! profshow (T, 10);
 
 %!demo
-%! function f = myfib (n)
-%!   if (n <= 2)
-%!     f = 1;
-%!   else
-%!     f = myfib (n - 1) + myfib (n - 2);
-%!   endif
-%! endfunction
 %! profile ("on");
-%! myfib (20);
+%! expm (rand (500) + eye (500));
 %! profile ("off");
 %! profshow (profile ("info"), 5);
 
--- a/scripts/general/quadv.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/general/quadv.m	Wed Nov 16 14:37:55 2011 -0500
@@ -1,4 +1,5 @@
 ## Copyright (C) 2008-2011 David Bateman
+## Copyright (C) 2011 Alexander Klein
 ##
 ## This file is part of Octave.
 ##
@@ -58,6 +59,8 @@
 ## @end deftypefn
 
 function [q, nfun] = quadv (f, a, b, tol, trace, varargin)
+  ## TODO: Make norm for convergence testing configurable
+
   if (nargin < 3)
     print_usage ();
   endif
@@ -88,10 +91,10 @@
 
   ## If have edge singularities, move edge point by eps*(b-a) as
   ## discussed in Shampine paper used to implement quadgk
-  if (isinf (fa))
+  if (any (isinf (fa(:))))
     fa = feval (f, a + myeps * (b-a), varargin{:});
   endif
-  if (isinf (fb))
+  if (any (isinf (fb(:))))
     fb = feval (f, b - myeps * (b-a), varargin{:});
   endif
 
@@ -103,7 +106,7 @@
 
   if (nfun > 10000)
     warning ("maximum iteration count reached");
-  elseif (isnan (q) || isinf (q))
+  elseif (any (isnan (q)(:) | isinf (q)(:)))
     warning ("infinite or NaN function evaluations were returned");
   elseif (hmin < (b - a) * myeps)
     warning ("minimum step size reached -- possibly singular integral");
@@ -133,7 +136,9 @@
     endif
 
     ## Force at least one adpative step.
-    if (nfun == 5 || abs (q - q0) > tol)
+    ## Not vectorizing q-q0 in the norm provides a more rigid criterion for
+    ## matrix-valued functions.
+    if (nfun == 5 || norm (q - q0, Inf) > tol)
       [q1, nfun, hmin] = simpsonstp (f, a, c, d, fa, fc, fd, q1, nfun, hmin,
                                     tol, trace, varargin{:});
       [q2, nfun, hmin] = simpsonstp (f, c, b, e, fc, fb, fe, q2, nfun, hmin,
@@ -152,3 +157,5 @@
 %% Handles vector-valued functions
 %!assert (quadv (@(x) [(sin (x)), (sin (2 * x))], 0, pi), [2, 0], 1e-5)
 
+%% Handles matrix-valued functions
+%!assert (quadv (@(x) [ x, x, x; x, 1./sqrt(x), x; x, x, x ], 0, 1 ), [0.5, 0.5, 0.5; 0.5, 2, 0.5; 0.5, 0.5, 0.5], 1e-5)
--- a/scripts/help/__makeinfo__.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/help/__makeinfo__.m	Wed Nov 16 14:37:55 2011 -0500
@@ -92,7 +92,7 @@
   text = strrep (text, "\n ", "\n");
 
   ## Handle @seealso macro
-  see_also_pat = '@seealso *\{([^}]*)\}';
+  see_also_pat = '@seealso *\{(.*)\}';
   args = regexp (text, see_also_pat, 'tokens');
   for ii = 1:numel (args)
     expanded = fsee_also (strtrim (strsplit (args{ii}{:}, ',', true)));
@@ -101,6 +101,8 @@
 
   ## Handle @nospell macro
   text = regexprep (text, '@nospell *\{([^}]*)\}', "$1");
+  ## Handle @xcode macro
+  text = regexprep (text, '@xcode *\{([^}]*)\}', "$1");
 
   if (strcmpi (output_type, "texinfo"))
     status = 0;
--- a/scripts/help/help.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/help/help.m	Wed Nov 16 14:37:55 2011 -0500
@@ -179,3 +179,7 @@
   endif
 
 endfunction
+
+
+%!assert (! isempty (findstr (help ("ls"), "List directory contents")))
+%!error <invalid input> help (42)
--- a/scripts/help/lookfor.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/help/lookfor.m	Wed Nov 16 14:37:55 2011 -0500
@@ -42,17 +42,18 @@
 ## @end deftypefn
 
 function [out_fun, out_help_text] = lookfor (str, arg2)
+
   if (strcmpi (str, "-all"))
     ## The difference between using '-all' and not, is which part of the caches
-    ## we search. The cache is organised such that its first column contains
-    ## the function name, its second column contains the full help text, and its
-    ## third column contains the first sentence of the help text.
+    ## we search.  The cache is organized such that the first column contains
+    ## the function name, the second column contains the full help text, and
+    ## the third column contains the first sentence of the help text.
     str = arg2;
-    search_type = 2; # when using caches, search its second column
+    search_type = 2; # when using caches, search the second column
   else
-    search_type = 3; # when using caches, search its third column
+    search_type = 3; # when using caches, search the third column
   endif
-  str = lower (str);
+  str = lower (str);   # Compare is case insensitive
 
   ## Search functions, operators, and keywords that come with Octave
   cache_file = doc_cache_file ();
@@ -81,16 +82,16 @@
     if (exist (cache_file, "file"))
       ## We have a cache in the directory, then read it and search it!
       [funs, hts] = search_cache (str, cache_file, search_type);
-      fun (end+1:end+length (funs)) = funs;
-      help_text (end+1:end+length (hts)) = hts;
+      fun(end+1:end+length (funs)) = funs;
+      help_text(end+1:end+length (hts)) = hts;
     else
     ## We don't have a cache. Search files
       funs_in_f = __list_functions__ (elt);
       for m = 1:length (funs_in_f)
-        fn = funs_in_f {m};
+        fn = funs_in_f{m};
 
         ## Skip files that start with __
-        if (length (fn) > 2 && strcmp (fn (1:2), "__"))
+        if (length (fn) > 2 && strcmp (fn(1:2), "__"))
           continue;
         endif
 
@@ -99,7 +100,7 @@
           warn_state = warning ();
           unwind_protect
             warning ("off");
-            first_sentence = get_first_help_sentence (fn);
+            first_sentence = get_first_help_sentence (fn, 1024);
             status = 0;
           unwind_protect_cleanup
             warning (warn_state);
@@ -139,28 +140,29 @@
         endif
 
         ## Search the help text, if we can
-        if (status == 0 && !isempty (strfind (text, str)))
-          fun (end+1) = fn;
-          help_text (end+1) = first_sentence;
+        if (status == 0 && ! isempty (strfind (lower (text), str)))
+          fun(end+1) = fn;
+          help_text(end+1) = first_sentence;
         endif
       endfor
     endif
   endfor
 
   if (nargout == 0)
-    ## Print the results (FIXME: improve this to make it look better.
+    ## Print the results (FIXME: it would be nice to break at word boundaries)
     indent = 20;
-    term_width = terminal_size() (2);
+    term_width = (terminal_size ())(2);
     desc_width = term_width - indent - 2;
-    indent_space = repmat (" ", 1, indent);
+    indent_space = blanks (indent);
     for k = 1:length (fun)
-      f = fun {k};
-      f (end+1:indent) = " ";
-      printf (f);
-      desc = strtrim (strrep (help_text {k}, "\n", " "));
+      f = fun{k};
+      f(end+1:indent-1) = " ";
+      puts ([f " "]);
+      lf = length (f);
+      desc = strtrim (strrep (help_text{k}, "\n", " "));
       ldesc = length (desc);
-      printf ("%s\n", desc (1:min (desc_width, ldesc)));
-      for start = desc_width+1:desc_width:ldesc
+      printf ("%s\n", desc(1:min (ldesc, desc_width - (lf - indent))));
+      for start = (desc_width - (lf - indent) + 1):desc_width:ldesc
         stop = min (start + desc_width, ldesc);
         printf ("%s%s\n", indent_space, strtrim (desc (start:stop)));
       endfor
@@ -171,17 +173,19 @@
     out_fun = fun;
     out_help_text = help_text;
   endif
+
 endfunction
 
 function [funs, help_texts] = search_cache (str, cache_file, search_type)
   load (cache_file);
   if (! isempty (cache))
-    t1 = strfind (cache (1, :), str);
-    t2 = strfind (cache (search_type, :), str);
+    t1 = strfind (lower (cache (1, :)), str);
+    t2 = strfind (lower (cache (search_type, :)), str);
     cache_idx = find (! (cellfun ("isempty", t1) & cellfun ("isempty", t2)));
-    funs = cache (1, cache_idx);
-    help_texts = cache (3, cache_idx);
+    funs = cache(1, cache_idx);
+    help_texts = cache(3, cache_idx);
   else
     funs = help_texts = {};
   endif
 endfunction
+
--- a/scripts/help/unimplemented.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/help/unimplemented.m	Wed Nov 16 14:37:55 2011 -0500
@@ -29,12 +29,17 @@
   ## Some smarter cases, add more as needed.
   switch (fcn)
 
+  case "importdata"
+    txt = ["importdata is not implemented.  Similar functionality is ",...
+    "available through @code{load}, @code{dlmread}, @code{csvread}, ",...
+    "or @code{textscan}."];  
+
   case "quad2d"
     txt = ["quad2d is not implemented.  Consider using dblquad."];
 
   case "gsvd"
-    txt = ["gsvd is not currently part of Octave.  See the linear-algebra",...
-    "package at @url{http://octave.sf.net/linear-algebra/}."];
+    txt = ["gsvd is not currently part of core Octave.  See the ",
+    "linear-algebra package at @url{http://octave.sf.net/linear-algebra/}."];
 
   case "linprog"
     txt = ["Octave does not currently provide linprog.  ",...
@@ -76,7 +81,6 @@
   "RandStream",
   "TriRep",
   "TriScatteredInterp",
-  "addpref",
   "align",
   "alim",
   "alpha",
@@ -95,7 +99,6 @@
   "bar3h",
   "bench",
   "betaincinv",
-  "bicg",
   "bicgstabl",
   "brush",
   "builddocsearchdb",
@@ -188,7 +191,6 @@
   "gco",
   "getframe",
   "getpixelposition",
-  "getpref",
   "gmres",
   "grabcode",
   "graymon",
@@ -233,7 +235,6 @@
   "isinterface",
   "isjava",
   "isocaps",
-  "ispref",
   "isstudent",
   "javaArray",
   "javaMethod",
@@ -334,7 +335,6 @@
   "reducevolume",
   "resample",
   "rgbplot",
-  "rmpref",
   "root",
   "rotate",
   "rotate3d",
@@ -342,7 +342,6 @@
   "sendmail",
   "serial",
   "setpixelposition",
-  "setpref",
   "showplottool",
   "shrinkfaces",
   "smooth3",
@@ -397,14 +396,12 @@
   "unicode2native",
   "unloadlibrary",
   "unmesh",
-  "usejava",
   "userpath",
   "validateattributes",
   "verLessThan",
   "viewmtx",
   "visdiff",
   "volumebounds",
-  "waitbar",
   "waitfor",
   "warndlg",
   "waterfall",
--- a/scripts/io/csvread.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/io/csvread.m	Wed Nov 16 14:37:55 2011 -0500
@@ -33,3 +33,9 @@
 function x = csvread (filename, varargin)
   x = dlmread (filename, ",", varargin{:});
 endfunction
+
+
+%% Tests for csvread() are in csvwrite()
+%% Mark file as being tested
+%!assert (1)
+
--- a/scripts/io/csvwrite.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/io/csvwrite.m	Wed Nov 16 14:37:55 2011 -0500
@@ -34,3 +34,21 @@
 function csvwrite (filename, x, varargin)
   dlmwrite (filename, x, ",", varargin{:});
 endfunction
+
+
+%!shared fname
+%! fname = tmpnam ();
+
+%!test
+%! csvwrite (fname, magic (3));
+%! assert (csvread (fname), magic (3));
+%! unlink (fname);
+
+%!test
+%! csvwrite (fname, magic (3), "precision", "%2.1f", "newline", "unix");
+%! fid = fopen (fname, "rt");
+%! txt = char (fread (fid,Inf,'char')');
+%! fclose (fid);
+%! assert (txt, "8.0,1.0,6.0\n3.0,5.0,7.0\n4.0,9.0,2.0\n");
+%! unlink (fname);
+
--- a/scripts/io/dlmwrite.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/io/dlmwrite.m	Wed Nov 16 14:37:55 2011 -0500
@@ -21,6 +21,7 @@
 ## @deftypefnx {Function File} {} dlmwrite (@var{file}, @var{M}, @var{delim}, @var{r}, @var{c})
 ## @deftypefnx {Function File} {} dlmwrite (@var{file}, @var{M}, @var{key}, @var{val} @dots{})
 ## @deftypefnx {Function File} {} dlmwrite (@var{file}, @var{M}, "-append", @dots{})
+## @deftypefnx {Function File} {} dlmwrite (@var{fid}, @dots{})
 ## Write the matrix @var{M} to the named file using delimiters.
 ##
 ## @var{file} should be a file name or writable file ID given by @code{fopen}.
@@ -34,7 +35,7 @@
 ## The value of @var{c} specifies the number of delimiters to prepend to
 ## each line of data.
 ##
-## If the argument @code{"-append"} is given, append to the end of the
+## If the argument @code{"-append"} is given, append to the end of
 ## @var{file}.
 ##
 ## In addition, the following keyword value pairs may appear at the end
@@ -86,14 +87,13 @@
 
 function dlmwrite (file, M, varargin)
 
-  if (nargin < 2 || ! ischar (file))
+  if (nargin < 2)
     print_usage ();
   endif
 
   ## set defaults
   delim = ",";
-  r = 0;
-  c = 0;
+  r = c = 0;
   newline = "\n";
   if (ischar (M))
     precision = "%c";
@@ -102,16 +102,14 @@
   endif
   opentype = "wt";
 
-  ## process the input arguements
+  ## process the input arguments
   i = 0;
   while (i < length (varargin))
-    i = i + 1;
+    i++;
     if (strcmpi (varargin{i}, "delimiter"))
-      i = i + 1;
-      delim = varargin{i};
+      delim = varargin{++i};
     elseif (strcmpi (varargin{i}, "newline"))
-      i = i + 1;
-      newline = varargin{i};
+      newline = varargin{++i};
       if (strcmpi (newline, "unix"))
         newline = "\n";
       elseif (strcmpi (newline, "pc"))
@@ -120,27 +118,24 @@
         newline = "\r";
       endif
     elseif (strcmpi (varargin{i}, "roffset"))
-      i = i + 1;
-      r = varargin{i};
+      r = varargin{++i};
     elseif (strcmpi (varargin{i}, "coffset"))
-      i = i + 1;
-      c = varargin{i};
+      c = varargin{++i};
     elseif (strcmpi (varargin{i}, "precision"))
-      i = i + 1;
-      precision = varargin{i};
+      precision = varargin{++i};
       if (! strcmpi (class (precision), "char"))
         precision = sprintf ("%%.%gg", precision);
       endif
     elseif (strcmpi (varargin{i}, "-append"))
       opentype = "at";
     elseif (strcmpi (varargin{i}, "append"))
-      i = i + 1;
+      i++;
       if (strcmpi (varargin{i}, "on"))
         opentype = "at";
       elseif (strcmpi (varargin{i}, "off"))
         opentype = "wt";
       else
-        error ("dlmwrite: append must be \"on\" or \"off\"");
+        error ('dlmwrite: append must be "on" or "off"');
       endif
     else
       if (i == 1)
@@ -158,21 +153,20 @@
   if (ischar (file))
     [fid, msg] = fopen (file, opentype);
   elseif (isscalar (file) && isnumeric (file))
-    fid = file;
-    msg = "invalid file number";
+    [fid, msg] = deal (file, "invalid file number");
   else
     error ("dlmwrite: FILE must be a filename string or numeric FID");
   endif
 
   if (fid < 0)
-    error (msg);
+    error (["dlmwrite: " msg]);
   else
     if (r > 0)
       fprintf (fid, "%s",
                repmat ([repmat(delim, 1, c + columns(M)-1), newline], 1, r));
     endif
     if (iscomplex (M))
-      cprecision = regexprep (precision, '^%([-\d.])','%+$1');
+      cprecision = regexprep (precision, '^%([-\d.])', '%+$1');
       template = [precision, cprecision, "i", ...
                   repmat([delim, precision, cprecision, "i"], 1, ...
                   columns(M) - 1), newline ];
@@ -196,19 +190,22 @@
       fclose (fid);
     endif
   endif
+
 endfunction
 
+
 %!test
-%! f = tmpnam();
-%! dlmwrite(f,[1,2;3,4],'precision','%5.2f','newline','unix','roffset',1,'coffset',1);
-%! fid = fopen(f,"rt");
-%! f1 = char(fread(fid,Inf,'char')');
-%! fclose(fid);
-%! dlmwrite(f,[5,6],'precision','%5.2f','newline','unix','coffset',1,'delimiter',',','-append');
-%! fid = fopen(f,"rt");
-%! f2 = char(fread(fid,Inf,'char')');
-%! fclose(fid);
-%! unlink(f);
+%! f = tmpnam ();
+%! dlmwrite (f,[1,2;3,4],'precision','%5.2f','newline','unix','roffset',1,'coffset',1);
+%! fid = fopen (f,"rt");
+%! f1 = char (fread (fid,Inf,'char')');
+%! fclose (fid);
+%! dlmwrite (f,[5,6],'precision','%5.2f','newline','unix','coffset',1,'delimiter',',','-append');
+%! fid = fopen (f,"rt");
+%! f2 = char (fread (fid,Inf,'char')');
+%! fclose (fid);
+%! unlink (f);
 %!
-%! assert(f1,",,\n, 1.00, 2.00\n, 3.00, 4.00\n");
-%! assert(f2,",,\n, 1.00, 2.00\n, 3.00, 4.00\n, 5.00, 6.00\n");
+%! assert (f1,",,\n, 1.00, 2.00\n, 3.00, 4.00\n");
+%! assert (f2,",,\n, 1.00, 2.00\n, 3.00, 4.00\n, 5.00, 6.00\n");
+
--- a/scripts/io/fileread.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/io/fileread.m	Wed Nov 16 14:37:55 2011 -0500
@@ -29,7 +29,7 @@
   endif
 
   if (! ischar (filename))
-    error ("fileread: argument must be a string");
+    error ("fileread: FILENAME argument must be a string");
   endif
 
   fid = fopen (filename, "r");
@@ -45,3 +45,19 @@
 
 endfunction
 
+
+%!test
+%! cstr = {"Hello World", "The answer is 42", "Goodbye World"};
+%! fname = tmpnam ();
+%! fid = fopen (fname, "wt");
+%! fprintf(fid, "%s\n", cstr{:})
+%! fclose (fid);
+%! str = fileread (fname);
+%! assert (str', [cstr{1} "\n" cstr{2} "\n" cstr{3} "\n"]);
+%! unlink (fname);
+
+%% Test input validation
+%!error fileread ()
+%!error fileread (1, 2)
+%!error <FILENAME argument must be a string> fileread (1)
+
--- a/scripts/linear-algebra/krylov.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/linear-algebra/krylov.m	Wed Nov 16 14:37:55 2011 -0500
@@ -28,8 +28,8 @@
 ## Using Householder reflections to guard against loss of orthogonality.
 ##
 ## If @var{V} is a vector, then @var{h} contains the Hessenberg matrix
-## such that @code{a*u == u*h+rk*ek'}, in which @code{rk =
-## a*u(:,k)-u*h(:,k)}, and @code{ek'} is the vector
+## such that @xcode{a*u == u*h+rk*ek'}, in which @code{rk =
+## a*u(:,k)-u*h(:,k)}, and @xcode{ek'} is the vector
 ## @code{[0, 0, @dots{}, 1]} of length @code{k}.  Otherwise, @var{h} is
 ## meaningless.
 ##
--- a/scripts/miscellaneous/debug.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/miscellaneous/debug.m	Wed Nov 16 14:37:55 2011 -0500
@@ -57,13 +57,16 @@
 ## Quit debugging mode and return to the main prompt.
 ##
 ## @item debug_on_error
-## Flag whether to enter debug mode in case Octave encounters an error.
+## Function to query or set whether to enter debug mode in case Octave
+## encounters an error.
 ##
 ## @item debug_on_warning
-## Flag whether to enter debug mode in case Octave encounters a warning.
+## Function to query or set whether to enter debug mode in case Octave
+## encounters a warning.
 ##
 ## @item debug_on_interrupt
-## Flag whether to enter debug mode in case Octave encounters an interupt.
+## Function to query or set whether to enter debug mode in case Octave
+## encounters an interupt.
 ##
 ## @end table
 ##
--- a/scripts/miscellaneous/delete.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/miscellaneous/delete.m	Wed Nov 16 14:37:55 2011 -0500
@@ -23,34 +23,41 @@
 ##
 ## Deleting graphics objects is the proper way to remove
 ## features from a plot without clearing the entire figure.
-## @seealso{clf, cla}
+## @seealso{clf, cla, unlink}
 ## @end deftypefn
 
 ## Author: jwe
 
 function delete (arg)
 
-  if (nargin == 1)
-    if (ischar (arg))
-      files = glob (arg).';
-      if (isempty (files))
-        warning ("delete: no such file: %s", arg);
-      endif
-      for i = 1:length (files)
-        file = files{i};
-        [err, msg] = unlink (file);
-        if (err)
-          warning ("delete: %s: %s", file, msg);
-        endif
-      endfor
-    elseif (all (ishandle (arg(:))))
-      ## Delete a graphics object.
-      __go_delete__ (arg);
-    else
-      error ("delete: first argument must be a filename or graphics handle");
-    endif
-  else
+  if (nargin != 1)
     print_usage ();
   endif
 
+  if (ischar (arg))
+    files = glob (arg);
+    if (isempty (files))
+      warning ("delete: no such file: %s", arg);
+    endif
+    for i = 1:length (files)
+      file = files{i};
+      [err, msg] = unlink (file);
+      if (err)
+        warning ("delete: %s: %s", file, msg);
+      endif
+    endfor
+  elseif (all (ishandle (arg(:))))
+    ## Delete a graphics object.
+    __go_delete__ (arg);
+  else
+    error ("delete: first argument must be a filename or graphics handle");
+  endif
+
 endfunction
+
+
+%% Test input validation
+%!error delete ()
+%!error delete (1, 2)
+%!error <first argument must be a filename> delete (struct ())
+
--- a/scripts/miscellaneous/license.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/miscellaneous/license.m	Wed Nov 16 14:37:55 2011 -0500
@@ -75,21 +75,15 @@
   nr_licenses = rows (__octave_licenses__);
 
   if (nout > 1 || nin > 3)
-    error ("type `help license' for usage info");
+    print_usage ();
   endif
 
-  if (nin == 0)
+  if (nin == 0)  
 
-    found = false;
-    for p = 1:nr_licenses
-      if (strcmp (__octave_licenses__{p,1}, "Octave"))
-        found = true;
-        break;
-      endif
-    endfor
+    found = find (strcmp (__octave_licenses__(:,1), "Octave"), 1);
 
-    if (found)
-      result = __octave_licenses__{p,2};
+    if (! isempty (found))
+      result = __octave_licenses__{found,2};
     else
       result = "unknown";
     endif
@@ -105,17 +99,15 @@
     if (nout == 0)
 
       if (! strcmp (varargin{1}, "inuse"))
-        usage ("license (\"inuse\")");
+        usage ('license ("inuse")');
       endif
 
-      for p = 1:nr_licenses
-        printf ("%s\n", __octave_licenses__{p,1});
-      endfor
+      printf ("%s\n", __octave_licenses__{:,1});
 
     else
 
       if (! strcmp (varargin{1}, "inuse"))
-        usage ("retval = license (\"inuse\")");
+        usage ('retval = license ("inuse")');
       endif
 
       pw = getpwuid (getuid ());
@@ -125,11 +117,7 @@
         username = "octave_user";
       endif
 
-      retval(1:nr_licenses) = struct ("feature", "", "user", "");
-      for p = 1:nr_licenses
-        retval(p).feature = __octave_licenses__{p,1};
-        retval(p).user = username;
-      endfor
+      retval = struct ("feature", __octave_licenses__(:,1), "user", username);
 
     endif
 
@@ -139,52 +127,61 @@
 
     if (strcmp (varargin{1}, "test"))
 
-      found = false;
-      for p = 1:nr_licenses
-        if (strcmpi (feature, __octave_licenses__{p,1}))
-          found = true;
-          break;
-        endif
-      endfor
+      found = find (strcmpi (__octave_licenses__(:,1), feature), 1);
 
       if (nin == 2)
-        retval = found && __octave_licenses__{p,3};
+        retval = ! isempty (found) && __octave_licenses__{found,3};
       else
-        if (found)
+        if (! isempty (found))
           if (strcmp (varargin{3}, "enable"))
-            __octave_licenses__{p,3} = true;
+            __octave_licenses__{found,3} = true;
           elseif (strcmp (varargin{3}, "disable"))
-            __octave_licenses__{p,3} = false;
+            __octave_licenses__{found,3} = false;
           else
-            error ("TOGGLE must be either `enable' of `disable'");
+            error ("license: TOGGLE must be either `enable' or `disable'");
           endif
         else
-          error ("FEATURE `%s' not found", feature);
+          error ("license: FEATURE `%s' not found", feature);
         endif
       endif
 
     elseif (strcmp (varargin{1}, "checkout"))
 
       if (nin != 2)
-        usage ("retval = license (\"checkout\", feature)");
+        usage ('retval = license ("checkout", feature)');
       endif
 
-      found = false;
-      for p = 1:nr_licenses
-        if (strcmpi (feature, __octave_licenses__{p,1}))
-          found = true;
-          break;
-        endif
-      endfor
+      found = find (strcmpi (__octave_licenses__(:,1), feature), 1);
 
-      retval = found && __octave_licenses__{p,3};
+      retval = ! isempty (found) && __octave_licenses__{found,3};
 
     else
-
-      error ("type `help license' for usage info");
-
+      print_usage ();
     endif
 
   endif
 
 endfunction
+
+
+%!assert (license(), "GNU General Public License")
+%!assert ((license ("inuse")).feature, "Octave")
+
+%!test
+%! lstate = license ("test", "Octave");
+%! license ("test", "Octave", "disable");
+%! assert (license ("test", "Octave"), false);
+%! license ("test", "Octave", "enable");
+%! assert (license ("test", "Octave"), true);
+%! if (lstate == false)
+%!   license ("test", "Octave", "disable");
+%! endif
+
+%!assert (license ("checkout", "Octave"), true)
+
+%% Test input validation
+%!error license ("not_inuse")
+%!error <TOGGLE must be either> license ("test", "Octave", "not_enable")
+%!error <FEATURE `INVALID' not found> license ("test", "INVALID", "enable")
+%!error license ("not_test", "Octave", "enable")
+
--- a/scripts/miscellaneous/mexext.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/miscellaneous/mexext.m	Wed Nov 16 14:37:55 2011 -0500
@@ -19,8 +19,11 @@
 ## -*- texinfo -*-
 ## @deftypefn {Function File} {} mexext ()
 ## Return the filename extension used for MEX files.
+## @seealso{mex}
 ## @end deftypefn
 
 function retval = mexext ()
   retval = "mex";
 endfunction
+
+%!assert (mexext (), "mex")
--- a/scripts/miscellaneous/module.mk	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/miscellaneous/module.mk	Wed Nov 16 14:37:55 2011 -0500
@@ -51,6 +51,7 @@
   miscellaneous/parseparams.m \
   miscellaneous/perl.m \
   miscellaneous/python.m \
+  miscellaneous/recycle.m \
   miscellaneous/rmappdata.m \
   miscellaneous/run.m \
   miscellaneous/semicolon.m \
--- a/scripts/miscellaneous/namelengthmax.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/miscellaneous/namelengthmax.m	Wed Nov 16 14:37:55 2011 -0500
@@ -19,14 +19,8 @@
 ## -*- texinfo -*-
 ## @deftypefn {Function File} {} namelengthmax ()
 ## Return the @sc{matlab} compatible maximum variable name length.  Octave is
-## capable of storing strings up to
-## @tex
-## $2^{31} - 1$
-## @end tex
-## @ifnottex
-## @code{2 ^ 31 - 1}
-## @end ifnottex
-## in length.  However for @sc{matlab} compatibility all variable, function
+## capable of storing strings up to @math{2^{31} - 1} in length.
+## However for @sc{matlab} compatibility all variable, function,
 ## and structure field names should be shorter than the length supplied by
 ## @code{namelengthmax}.  In particular variables stored to a @sc{matlab} file
 ## format will have their names truncated to this length.
@@ -35,3 +29,6 @@
 function n = namelengthmax ()
   n = 63;
 endfunction
+
+
+%!assert (namelengthmax, 63)
--- a/scripts/miscellaneous/news.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/miscellaneous/news.m	Wed Nov 16 14:37:55 2011 -0500
@@ -17,14 +17,32 @@
 ## <http://www.gnu.org/licenses/>.
 
 ## -*- texinfo -*-
-## @deftypefn {Function File} {} news ()
-## Display the current NEWS file for Octave.
+## @deftypefn {Function File} {} news (@var{package})
+## Display the current NEWS file for Octave or installed package.
+##
+## If @var{package} is the name of an installed package, display the current
+## NEWS file for that package.
 ## @end deftypefn
 
-function news ()
+function news (package = "octave")
+
+  if (ischar (package) && strcmpi (package, "octave"))
+    octetcdir = octave_config_info ("octetcdir");
+    newsfile  = fullfile (octetcdir, "NEWS");
 
-  octetcdir = octave_config_info ("octetcdir");
-  newsfile = fullfile (octetcdir, "NEWS");
+  elseif (nargin == 1 && ischar (package))
+    installed = pkg ("list");
+    names     = cellfun (@(x) x.name, installed, "UniformOutput", false);
+    ## we are nice and let the user use any case on the package name
+    pos = strcmpi (names, package);
+    if (!any (pos))
+      error ("Package '%s' is not installed.", package);
+    endif
+    newsfile = fullfile (installed{pos}.dir, "packinfo", "NEWS");
+
+  else
+    print_usage;
+  endif
 
   if (exist (newsfile, "file"))
     f = fopen (newsfile, "r");
@@ -32,11 +50,14 @@
       puts (line);
     endwhile
   else
-    error ("news: unable to locate NEWS file");
+    if (strcmpi (package, "octave"))
+      error ("news: unable to locate NEWS file");
+    else
+      error ("news: unable to locate NEWS file of %s package", package);
+    endif
   endif
 
 endfunction
 
-
 ## Remove from test statistics.  No real tests possible
 %!assert (1)
--- a/scripts/miscellaneous/python.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/miscellaneous/python.m	Wed Nov 16 14:37:55 2011 -0500
@@ -1,5 +1,5 @@
 ## Copyright (C) 2008-2011 Julian Schnidder
-## Copyright (C) 2011 Carnë Draug <carandraug+dev@gmail.com>
+## Copyright (C) 2011 Carnë Draug
 ##
 ## This file is part of Octave.
 ##
@@ -27,6 +27,8 @@
 ## @seealso{system}
 ## @end deftypefn
 
+## Author: Carnë Draug <carandraug+dev@gmail.com>
+
 function [output, status] = python (scriptfile = "-c ''", varargin)
 
   ## VARARGIN is intialized to {}(1x0) if no additional arguments are
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/scripts/miscellaneous/recycle.m	Wed Nov 16 14:37:55 2011 -0500
@@ -0,0 +1,66 @@
+## Copyright (C) 2011 John W. Eaton
+##
+## This file is part of Octave.
+##
+## Octave is free software; you can redistribute it and/or modify it
+## under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 3 of the License, or (at
+## your option) any later version.
+##
+## Octave is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+## General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with Octave; see the file COPYING.  If not, see
+## <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn  {Function File} {@var{current_state}} recycle ()
+## @deftypefnx  {Function File} {@var{old_state}} recycle (@var{new_state})
+## Display or set the preference for recycling deleted files.
+##
+## Recycling files instead of permanently deleting them is currently not
+## implemented in Octave.  To help avoid accidental data loss it
+## is an error to attempt enable file recycling.
+## @seealso{delete}
+## @end deftypefn
+
+## Author: jwe
+
+function retval = recycle (state)
+
+  persistent current_state = "off";
+
+  if (nargin > 1)
+    print_usage ();
+  endif
+
+  if (nargin == 0 || nargout > 0)
+    retval = current_state;
+  endif
+
+  if (nargin == 1)
+    if (ischar (state))
+      if (strcmpi (state, "on"))
+        error ("recycle: recycling files is not implemented");
+      elseif (strcmpi (state, "off"))
+        current_state = "off";
+      else
+        error ("recycle: invalid value of STATE = `%s'", state);
+      endif
+    else
+      erroor ("recycle: expecting STATE to be a character string");
+    endif
+  endif
+
+endfunction
+
+%!error recycle ("on");
+%!error recycle ("on", "and I mean it");
+%!error recycle (1);
+
+%!test
+%! recycle ("off");
+%! assert (recycle ("off"), "off");
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/scripts/miscellaneous/usejava.m	Wed Nov 16 14:37:55 2011 -0500
@@ -0,0 +1,67 @@
+## Copyright (C) 2011 Rik Wehbring
+##
+## This file is part of Octave.
+##
+## Octave is free software; you can redistribute it and/or modify it
+## under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 3 of the License, or (at
+## your option) any later version.
+##
+## Octave is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+## General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with Octave; see the file COPYING.  If not, see
+## <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn {Function File} {} usejava (@var{feature})
+## Return true if the specific Sun Java element @var{feature} is available.
+##
+## Possible features are:
+##
+## @table @asis
+## @item "awt"
+## Abstract Window Toolkit for GUIs.
+##
+## @item "desktop"
+## Interactive desktop is running.
+##
+## @item "jvm"
+## Java Virtual Machine.
+##
+## @item "swing"
+## Swing components for lightweight GUIs.
+## @end table
+##
+## This function is provided for compatability with @sc{matlab} scripts which
+## may alter their behavior based on the availability of Java.  Octave does
+## not implement an interface to Java and this function always returns
+## @code{false}.
+## @end deftypefn
+
+function retval = usejava (feature)
+
+  if (nargin != 1 || ! ischar (feature))
+    print_usage ();
+  endif
+
+  if (! any (strcmp (feature, {"awt", "desktop", "jvm", "swing"})))
+    error ("usejava: unrecognized feature '%s'", feature);
+  endif
+
+  retval = false;
+
+endfunction
+
+
+%!assert (usejava ("awt"), false)
+
+%% Test input validation
+%!error usejava ()
+%!error usejava (1, 2)
+%!error usejava (1)
+%!error <unrecognized feature> usejava ("abc")
+
--- a/scripts/miscellaneous/warning_ids.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/miscellaneous/warning_ids.m	Wed Nov 16 14:37:55 2011 -0500
@@ -18,17 +18,20 @@
 
 ## -*- texinfo -*-
 ## @table @code
+## @item Octave:abbreviated-property-match
+## By default, the @code{Octave:abbreviated-property-match} warning is enabled.
+##
 ## @item Octave:array-to-scalar
 ## If the @code{Octave:array-to-scalar} warning is enabled, Octave will
 ## warn when an implicit conversion from an array to a scalar value is
-## attempted.  By default, the @code{Octave:array-to-scalar} warning is
-## disabled.
+## attempted.
+## By default, the @code{Octave:array-to-scalar} warning is disabled.
 ##
 ## @item Octave:array-to-vector
 ## If the @code{Octave:array-to-vector} warning is enabled, Octave will
 ## warn when an implicit conversion from an array to a vector value is
-## attempted.  By default, the @code{Octave:array-to-vector} warning is
-## disabled.
+## attempted.
+## By default, the @code{Octave:array-to-vector} warning is disabled.
 ##
 ## @item Octave:assign-as-truth-value
 ## If the @code{Octave:assign-as-truth-value} warning is
@@ -106,8 +109,8 @@
 ## enabled, Octave will warn about possible changes in the meaning of
 ## some code due to changes in associativity for some operators.
 ## Associativity changes have typically been made for @sc{matlab}
-## compatibility.  By default, the @code{Octave:associativity-change}
-## warning is enabled.
+## compatibility.
+## By default, the @code{Octave:associativity-change} warning is enabled.
 ##
 ## @item Octave:autoload-relative-file-name
 ## If the @code{Octave:autoload-relative-file-name} is enabled,
@@ -115,31 +118,19 @@
 ## paths to function files.  This usually happens when using autoload()
 ## calls in PKG_ADD files, when the PKG_ADD file is not in the same
 ## directory as the .oct file referred to by the autoload() command.
-## By default, the @code{Octave:autoload-relative-file-name}
-## warning is enabled.
+## By default, the @code{Octave:autoload-relative-file-name} warning is enabled.
+##
+## @item Octave:built-in-variable-assignment
+## By default, the @code{Octave:built-in-variable-assignment} warning is
+## enabled.
 ##
 ## @item Octave:divide-by-zero
 ## If the @code{Octave:divide-by-zero} warning is enabled, a
-## warning is issued when Octave encounters a division by zero.  By
-## default, the @code{Octave:divide-by-zero} warning is enabled.
-##
-## @item Octave:empty-list-elements
-## If the @code{Octave:empty-list-elements} warning is enabled, a
-## warning is issued when an empty matrix is found in a matrix list.
-## For example:
+## warning is issued when Octave encounters a division by zero.
+## By default, the @code{Octave:divide-by-zero} warning is enabled.
 ##
-## @example
-## a = [1, [], 3, [], 5]
-## @end example
-##
-## @noindent
-## By default, the @code{Octave:empty-list-elements} warning is enabled.
-##
-## @item Octave:fortran-indexing
-## If the @code{Octave:fortran-indexing} warning is enabled, a warning is
-## printed for expressions which select elements of a two-dimensional matrix
-## using a single index.  By default, the @code{Octave:fortran-indexing}
-## warning is disabled.
+## @item Octave:fopen-file-in-path
+## By default, the @code{Octave:fopen-file-in-path} warning is enabled.
 ##
 ## @item Octave:function-name-clash
 ## If the @code{Octave:function-name-clash} warning is enabled, a
@@ -151,23 +142,44 @@
 ## @item Octave:future-time-stamp
 ## If the @code{Octave:future-time-stamp} warning is enabled, Octave
 ## will print a warning if it finds a function file with a time stamp
-## that is in the future.  By default, the
-## @code{Octave:future-time-stamp} warning is enabled.
+## that is in the future.
+## By default, the @code{Octave:future-time-stamp} warning is enabled.
+##
+## @item Octave:glyph-render
+## By default, the @code{Octave:glyph-render} warning is enabled.
 ##
 ## @item Octave:imag-to-real
 ## If the @code{Octave:imag-to-real} warning is enabled, a warning is
 ## printed for implicit conversions of complex numbers to real numbers.
 ## By default, the @code{Octave:imag-to-real} warning is disabled.
 ##
+## @item Octave:load-file-in-path
+## By default, the @code{Octave:load-file-in-path} warning is enabled.
+##
+## @item Octave:logical-conversion
+## By default, the @code{Octave:logical-conversion} warning is enabled.
+##
 ## @item Octave:matlab-incompatible
 ## Print warnings for Octave language features that may cause
 ## compatibility problems with @sc{matlab}.
+## By default, the @code{Octave:matlab-incompatible} warning is disabled.
+##
+## @item Octave:md5sum-file-in-path
+## By default, the @code{Octave:md5sum-file-in-path} warning is enabled.
+##
+## @item Octave:missing-glyph
+## By default, the @code{Octave:missing-glyph} warning is enabled.
 ##
 ## @item Octave:missing-semicolon
 ## If the @code{Octave:missing-semicolon} warning is enabled, Octave
 ## will warn when statements in function definitions don't end in
-## semicolons.  By default the @code{Octave:missing-semicolon} warning
-## is disabled.
+## semicolons.
+## By default the @code{Octave:missing-semicolon} warning is disabled.
+##
+## @item Octave:mixed-string-concat
+## If the @code{Octave:mixed-string-concat} warning is enabled, print a
+## warning when concatenating a mixture of double and single quoted strings.
+## By default, the @code{Octave:mixed-string-concat} warning is disabled.
 ##
 ## @item Octave:neg-dim-as-zero
 ## If the @code{Octave:neg-dim-as-zero} warning is enabled, print a warning
@@ -180,6 +192,12 @@
 ## @noindent
 ## By default, the @code{Octave:neg-dim-as-zero} warning is disabled.
 ##
+## @item Octave:nested-functions-coerced
+## By default, the @code{Octave:nested-functions-coerced} warning is enabled.
+##
+## @item Octave:noninteger-range-as-index
+## By default, the @code{Octave:noninteger-range-as-index} warning is enabled.
+##
 ## @item Octave:num-to-str
 ## If the @code{Octave:num-to-str} warning is enable, a warning is
 ## printed for implicit conversions of numbers to their ASCII character
@@ -217,35 +235,51 @@
 ## circuit in both Octave and @sc{matlab}, so it's only necessary to
 ## enable @sc{matlab}-style short-circuiting it's too arduous to modify
 ## existing code that relies on this behavior.
+## By default, the @code{Octave:possible-matlab-short-circuit-operator} warning
+## is enabled.
 ##
 ## @item Octave:precedence-change
 ## If the @code{Octave:precedence-change} warning is enabled, Octave
 ## will warn about possible changes in the meaning of some code due to
 ## changes in precedence for some operators.  Precedence changes have
-## typically been made for @sc{matlab} compatibility.  By default, the
-## @code{Octave:precedence-change} warning is enabled.
+## typically been made for @sc{matlab} compatibility.
+## By default, the @code{Octave:precedence-change} warning is enabled.
+##
+## @item Octave:recursive-path-search
+## By default, the @code{Octave:recursive-path-search} warning is enabled.
 ##
 ## @item Octave:reload-forces-clear
 ## If several functions have been loaded from the same file, Octave must
 ## clear all the functions before any one of them can be reloaded.  If
 ## the @code{Octave:reload-forces-clear} warning is enabled, Octave will
 ## warn you when this happens, and print a list of the additional
-## functions that it is forced to clear.  By default, the
-## @code{Octave:reload-forces-clear} warning is enabled.
+## functions that it is forced to clear.
+## By default, the @code{Octave:reload-forces-clear} warning is enabled.
 ##
 ## @item Octave:resize-on-range-error
 ## If the @code{Octave:resize-on-range-error} warning is enabled, print a
 ## warning when a matrix is resized by an indexed assignment with
-## indices outside the current bounds.  By default, the
-## @code{Octave:resize-on-range-error} warning is disabled.
+## indices outside the current bounds.
+## By default, the ## @code{Octave:resize-on-range-error} warning is disabled.
 ##
 ## @item Octave:separator-insert
 ## Print warning if commas or semicolons might be inserted
 ## automatically in literal matrices.
+## By default, the @code{Octave:separator-insert} warning is disabled.
+##
+## @item Octave:shadowed-function
+## By default, the @code{Octave:shadowed-function} warning is enabled.
 ##
 ## @item Octave:single-quote-string
 ## Print warning if a single quote character is used to introduce a
 ## string constant.
+## By default, the @code{Octave:single-quote-string} warning is disabled.
+##
+## @item Octave:singular-matrix-div
+## By default, the @code{Octave:singular-matrix-div} warning is enabled.
+##
+## @item Octave:sqrtm:SingularMatrix
+## By default, the @code{Octave:sqrtm:SingularMatrix} warning is enabled.
 ##
 ## @item Octave:str-to-num
 ## If the @code{Octave:str-to-num} warning is enabled, a warning is printed
@@ -263,22 +297,17 @@
 ## elicits a warning if the @code{Octave:str-to-num} warning is enabled.
 ## By default, the @code{Octave:str-to-num} warning is disabled.
 ##
-## @item Octave:string-concat
-## If the @code{Octave:string-concat} warning is enabled, print a
-## warning when concatenating a mixture of double and single quoted strings.
-## By default, the @code{Octave:string-concat} warning is disabled.
-##
 ## @item Octave:undefined-return-values
 ## If the @code{Octave:undefined-return-values} warning is disabled,
 ## print a warning if a function does not define all the values in
-## the return list which are expected.  By default, the
-## @code{Octave:undefined-return-values} warning is enabled.
+## the return list which are expected.
+## By default, the @code{Octave:undefined-return-values} warning is enabled.
 ##
 ## @item Octave:variable-switch-label
 ## If the @code{Octave:variable-switch-label} warning is enabled, Octave
 ## will print a warning if a switch label is not a constant or constant
-## expression.  By default, the @code{Octave:variable-switch-label}
-## warning is disabled.
+## expression.
+## By default, the @code{Octave:variable-switch-label} warning is disabled.
 ## @end table
 
 function warning_ids ()
--- a/scripts/optimization/optimset.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/optimization/optimset.m	Wed Nov 16 14:37:55 2011 -0500
@@ -23,6 +23,57 @@
 ## @deftypefnx {Function File} {} optimset (@var{old}, @var{par}, @var{val}, @dots{})
 ## @deftypefnx {Function File} {} optimset (@var{old}, @var{new})
 ## Create options struct for optimization functions.
+##
+## Valid parameters are:
+## @itemize @bullet
+## @item AutoScaling
+##
+## @item ComplexEqn
+##
+## @item FinDiffType
+##
+## @item FunValCheck
+## When enabled, display an error if the objective function returns a complex
+## value or NaN@.  Must be set to "on" or "off" [default].
+##
+## @item GradObj
+## When set to "on", the function to be minimized must return a second argument
+## which is the gradient, or first derivative, of the function at the point
+## @var{x}.  If set to "off" [default], the gradient is computed via finite
+## differences.
+##
+## @item Jacobian
+## When set to "on", the function to be minimized must return a second argument
+## which is the Jacobian, or first derivative, of the function at the point
+## @var{x}.  If set to "off" [default], the Jacobian is computed via finite
+## differences.
+##
+## @item MaxFunEvals
+## Maximum number of function evaluations before optimization stops.
+## Must be a positive integer.
+##
+## @item MaxIter
+## Maximum number of algorithm iterations before optimization stops.
+## Must be a positive integer.
+##
+## @item OutputFcn
+## A user-defined function executed once per algorithm iteration.
+##
+## @item TolFun
+## Termination criterion for the function output.  If the difference in the
+## calculated objective function between one algorithm iteration and the next
+## is less than @code{TolFun} the optimization stops.  Must be a positive
+## scalar.
+##
+## @item TolX
+## Termination criterion for the function input.  If the difference in @var{x},
+## the current search point, between one algorithm iteration and the next is
+## less than @code{TolX} the optimization stops.  Must be a positive scalar.
+##
+## @item TypicalX
+##
+## @item Updating
+## @end itemize
 ## @end deftypefn
 
 function retval = optimset (varargin)
--- a/scripts/pkg/pkg.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/pkg/pkg.m	Wed Nov 16 14:37:55 2011 -0500
@@ -1626,42 +1626,17 @@
     error ("couldn't create packinfo directory: %s", msg);
   endif
 
-  ## Copy DESCRIPTION.
-  [status, output] = copyfile (fullfile (packdir, "DESCRIPTION"), packinfo);
-  if (status != 1)
-    rm_rf (desc.dir);
-    rm_rf (octfiledir);
-    error ("couldn't copy DESCRIPTION: %s", output);
-  endif
+  packinfo_copy_file ("DESCRIPTION", "required", packdir, packinfo, desc, octfiledir);
+  packinfo_copy_file ("COPYING", "required", packdir, packinfo, desc, octfiledir);
 
-  ## Copy COPYING.
-  [status, output] = copyfile (fullfile (packdir, "COPYING"), packinfo);
-  if (status != 1)
-    rm_rf (desc.dir);
-    rm_rf (octfiledir);
-    error ("couldn't copy COPYING: %s", output);
-  endif
-
-  ## If the file ChangeLog exists, copy it.
-  changelog_file = fullfile (packdir, "ChangeLog");
-  if (exist (changelog_file, "file"))
-    [status, output] = copyfile (changelog_file, packinfo);
-    if (status != 1)
-      rm_rf (desc.dir);
-      rm_rf (octfiledir);
-      error ("couldn't copy ChangeLog file: %s", output);
-    endif
-  endif
+  packinfo_copy_file ("NEWS", "optional", packdir, packinfo, desc, octfiledir);
+  packinfo_copy_file ("ONEWS", "optional", packdir, packinfo, desc, octfiledir);
+  packinfo_copy_file ("ChangeLog", "optional", packdir, packinfo, desc, octfiledir);
 
   ## Is there an INDEX file to copy or should we generate one?
   index_file = fullfile (packdir, "INDEX");
   if (exist(index_file, "file"))
-    [status, output] = copyfile (index_file, packinfo);
-    if (status != 1)
-      rm_rf (desc.dir);
-      rm_rf (octfiledir);
-      error ("couldn't copy INDEX file: %s", output);
-    endif
+    packinfo_copy_file ("INDEX", "required", packdir, packinfo, desc, octfiledir);
   else
     try
       write_index (desc, fullfile (packdir, "inst"),
@@ -1674,15 +1649,7 @@
   endif
 
   ## Is there an 'on_uninstall.m' to install?
-  fon_uninstall = fullfile (packdir, "on_uninstall.m");
-  if (exist (fon_uninstall, "file"))
-    [status, output] = copyfile (fon_uninstall, packinfo);
-    if (status != 1)
-      rm_rf (desc.dir);
-      rm_rf (octfiledir);
-      error ("couldn't copy on_uninstall.m: %s", output);
-    endif
-  endif
+  packinfo_copy_file ("on_uninstall.m", "optional", packdir, packinfo, desc, octfiledir);
 
   ## Is there a doc/ directory that needs to be installed?
   docdir = fullfile (packdir, "doc");
@@ -1698,6 +1665,20 @@
   endif
 endfunction
 
+function packinfo_copy_file (filename, requirement, packdir, packinfo, desc, octfiledir)
+  filepath = fullfile (packdir, filename);
+  if (!exist (filepath, "file") && strcmpi (requirement, "optional"))
+    ## do nothing, it's still OK
+  else
+    [status, output] = copyfile (filepath, packinfo);
+    if (status != 1)
+      rm_rf (desc.dir);
+      rm_rf (octfiledir);
+      error ("Couldn't copy %s file: %s", filename, output);
+    endif
+  endif
+endfunction
+
 function finish_installation (desc, packdir, global_install)
   ## Is there a post-install to call?
   if (exist (fullfile (packdir, "post_install.m"), "file"))
--- a/scripts/plot/patch.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/plot/patch.m	Wed Nov 16 14:37:55 2011 -0500
@@ -43,17 +43,11 @@
 
   [h, varargin] = __plt_get_axis_arg__ ("patch", varargin{:});
 
-  oldh = gca ();
+  [tmp, failed] = __patch__ (h, varargin{:});
 
-  unwind_protect
-    axes (h);
-    [tmp, failed] = __patch__ (h, varargin{:});
-    if (failed)
-      print_usage ();
-    endif
-  unwind_protect_cleanup
-    axes (oldh);
-  end_unwind_protect
+  if (failed)
+    print_usage ();
+  endif
 
   if (nargout > 0)
     retval = tmp;
@@ -207,14 +201,14 @@
 %! unwind_protect
 %!   h = patch;
 %!   assert (findobj (hf, "type", "patch"), h);
-%!   assert (get (h, "xdata"), [0; 1; 1], eps);
-%!   assert (get (h, "ydata"), [0; 0; 1], eps);
+%!   assert (get (h, "xdata"), [0; 1; 0], eps);
+%!   assert (get (h, "ydata"), [1; 1; 0], eps);
 %!   assert (isempty(get (h, "zdata")));
 %!   assert (isempty(get (h, "cdata")));
 %!   assert (get (h, "faces"), [1, 2, 3], eps);
-%!   assert (get (h, "vertices"), [0 0; 1 0; 1 1], eps);
+%!   assert (get (h, "vertices"), [0 1; 1 1; 0 0], eps);
 %!   assert (get (h, "type"), "patch");
-%!   assert (get (h, "facecolor"), [0 0 1]);
+%!   assert (get (h, "facecolor"), [0 0 0]);
 %!   assert (get (h, "linestyle"), get (0, "defaultpatchlinestyle"));
 %!   assert (get (h, "linewidth"), get (0, "defaultpatchlinewidth"), eps);
 %!   assert (get (h, "marker"), get (0, "defaultpatchmarker"));
--- a/scripts/plot/private/__axis_label__.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/plot/private/__axis_label__.m	Wed Nov 16 14:37:55 2011 -0500
@@ -17,23 +17,21 @@
 ## <http://www.gnu.org/licenses/>.
 
 ## -*- texinfo -*-
-## @deftypefn {Function File} {} __axis_label__ (@var{caller}, @var{txt}, @dots{})
+## @deftypefn {Function File} {} __axis_label__ (@var{caller}, @var{h}, @var{txt}, @dots{})
 ## Undocumented internal function.
 ## @end deftypefn
 
 ## Author: jwe
 
-function retval = __axis_label__ (caller, txt, varargin)
+function retval = __axis_label__ (ah, caller, txt, varargin)
 
-  ca = gca ();
-
-  h = get (gca (), caller);
+  h = get (ah, caller);
 
-  set (h, "fontangle", get (ca, "fontangle"),
-       "fontname", get (ca, "fontname"),
-       "fontsize", get (ca, "fontsize"),
-       "fontunits", get (ca, "fontunits"),
-       "fontweight", get (ca, "fontweight"),
+  set (h, "fontangle", get (ah, "fontangle"),
+       "fontname", get (ah, "fontname"),
+       "fontsize", get (ah, "fontsize"),
+       "fontunits", get (ah, "fontunits"),
+       "fontweight", get (ah, "fontweight"),
        "string", txt,
        varargin{:});
 
--- a/scripts/plot/private/__go_draw_axes__.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/plot/private/__go_draw_axes__.m	Wed Nov 16 14:37:55 2011 -0500
@@ -347,7 +347,7 @@
       axis_obj.xsgn = -1;
       if (strcmp (axis_obj.xdir, "reverse"))
         axis_obj.xdir = "normal";
-      else
+      elseif (strcmp (axis_obj.xdir, "normal"))
         axis_obj.xdir = "reverse";
       endif
       axis_obj.xtick = -flip (axis_obj.xtick);
@@ -360,7 +360,7 @@
       axis_obj.ysgn = -1;
       if (strcmp (axis_obj.ydir, "reverse"))
         axis_obj.ydir = "normal";
-      else
+      elseif (strcmp (axis_obj.ydir, "normal"))
         axis_obj.ydir = "reverse";
       endif
       axis_obj.ytick = -flip (axis_obj.ytick);
@@ -373,7 +373,7 @@
       axis_obj.zsgn = -1;
       if (strcmp (axis_obj.zdir, "reverse"))
         axis_obj.zdir = "normal";
-      else
+      elseif (strcmp (axis_obj.zdir, "normal"))
         axis_obj.zdir = "reverse";
       endif
       axis_obj.ztick = -flip (axis_obj.ztick);
@@ -1730,7 +1730,7 @@
   if (size (x, 1) == 1)
     x = fliplr (x);
   elseif (size (x, 2) == 1 || ischar (x))
-    x = flipup (x);
+    x = flipud (x);
   else
     x = flipud (fliplr (x));
   endif
--- a/scripts/plot/private/__patch__.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/plot/private/__patch__.m	Wed Nov 16 14:37:55 2011 -0500
@@ -34,7 +34,7 @@
   is_numeric_arg = cellfun (@isnumeric, varargin);
 
   if (isempty (varargin))
-    args = {"xdata", [0; 1; 1], "ydata", [0; 0; 1], "facecolor", "blue"};
+    args = {"xdata", [0; 1; 0], "ydata", [1; 1; 0], "facecolor", [0, 0, 0]};
     args = setvertexdata (args);
   elseif (isstruct (varargin{1}))
     if (isfield (varargin{1}, "vertices") && isfield (varargin{1}, "faces"))
@@ -130,9 +130,9 @@
           endif
         elseif (size (c, ndims (c)) == 3)
           args{7} = "facecolor";
-          args{8} = "flat";
+          args{8} = c;
           args{9} = "cdata";
-          args{10} = c;
+          args{10} = [];
         else
           ## Color Vectors
           if (isempty (c))
@@ -239,12 +239,10 @@
   nc = size (faces, 1);
   idx = faces .';
   t1 = isnan (idx);
-  if (any (t1(:)))
-    t2 = find (t1 != t1([2:end,end],:));
-    idx (t1) = idx (t2 (cell2mat (cellfun (@(x) x(1)*ones(1,x(2)),
-                mat2cell ([1 : nc; sum(t1)], 2, ones(1,nc)),
-                                           "uniformoutput", false))));
-  endif
+  for i = find (any (t1))
+    first_idx_in_column = find (t1(:,i), 1);
+    idx(first_idx_in_column:end,i) = idx(first_idx_in_column-1,i);
+  endfor
   x = reshape (vert(:,1)(idx), size (idx));
   y = reshape (vert(:,2)(idx), size (idx));
   if (size(vert,2) > 2)
--- a/scripts/plot/semilogx.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/plot/semilogx.m	Wed Nov 16 14:37:55 2011 -0500
@@ -67,17 +67,31 @@
 
 %!demo
 %! clf ();
-%! a = logspace (-5, 1, 10);
-%! b =-logspace (-5, 1, 10);
+%! x = logspace (-5, 1, 10);
+%! y = logspace (-5, 1, 10);
 %!
 %! subplot (1, 2, 1)
-%! semilogx (b, a)
-%! xlabel ('semilogx (a, b)')
+%! semilogx (x, y)
+%! xlabel ('semilogx (x, y)')
 %!
 %! subplot (1, 2, 2)
-%! semilogx (abs (b), a)
-%! set (gca, 'ydir', 'reverse')
-%! xlabel ('semilogx (a, abs (b))')
+%! semilogx (-x, y)
+%! xlabel ('semilogx (-x, y)')
+
+%!demo
+%! clf ();
+%! x = logspace (-5, 1, 10);
+%! y = logspace (-5, 1, 10);
+%!
+%! subplot (1, 2, 1)
+%! semilogx (x, y)
+%! set (gca, "xdir", "reverse", "activepositionproperty", "outerposition")
+%! xlabel ({"semilogx (x, y)", "xdir = reversed"})
+%!
+%! subplot (1, 2, 2)
+%! semilogx (-x, y)
+%! set (gca, "xdir", "reverse", "activepositionproperty", "outerposition")
+%! xlabel ({"semilogx (-x, y)","xdir = reversed"})
 
 %!test
 %! hf = figure ("visible", "off");
--- a/scripts/plot/semilogy.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/plot/semilogy.m	Wed Nov 16 14:37:55 2011 -0500
@@ -68,17 +68,31 @@
 
 %!demo
 %! clf ();
-%! a = logspace (-5, 1, 10);
-%! b =-logspace (-5, 1, 10);
+%! x = logspace (-5, 1, 10);
+%! y = logspace (-5, 1, 10);
+%!
+%! subplot (2, 1, 1)
+%! semilogy (x, y)
+%! ylabel ('semilogy (x, y)')
 %!
-%! subplot (1, 2, 1)
-%! semilogy (a, b)
-%! xlabel ('semilogy (a, b)')
+%! subplot (2, 1, 2)
+%! semilogy (x, -y)
+%! ylabel ('semilogy (x, -y)')
+
+%!demo
+%! clf ();
+%! x = logspace (-5, 1, 10);
+%! y = logspace (-5, 1, 10);
 %!
-%! subplot (1, 2, 2)
-%! semilogy (a, abs (b))
-%! set (gca, 'ydir', 'reverse')
-%! xlabel ('semilogy (a, abs (b))')
+%! subplot (2, 1, 1)
+%! semilogy (x, y)
+%! set (gca, "ydir", "reverse", "activepositionproperty", "outerposition")
+%! ylabel ({"semilogy (x, y)", "ydir = reversed"})
+%!
+%! subplot (2, 1, 2)
+%! semilogy (x, -y)
+%! set (gca, "ydir", "reverse", "activepositionproperty", "outerposition")
+%! ylabel ({"semilogy (x, -y)", "ydir = reversed"})
 
 %!test
 %! hf = figure ("visible", "off");
--- a/scripts/plot/subplot.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/plot/subplot.m	Wed Nov 16 14:37:55 2011 -0500
@@ -66,56 +66,96 @@
 ## Author: Vinayak Dutt <Dutt.Vinayak@mayo.EDU>
 ## Adapted-By: jwe
 
-function h = subplot (rows, cols, index, varargin)
+function h = subplot (varargin)
 
   align_axes = false;
   replace_axes = false;
+  have_position = false;
+  initial_args_decoded = false;
 
-  if (! (nargin >= 3) && nargin != 1)
-    print_usage ();
-  elseif (nargin > 3)
-    for n = 1:numel(varargin)
-      switch lower(varargin{n})
-      case "align"
-        align_axes = true;
-      case "replace"
-        replace_axes = true;
-      otherwise
-        print_usage ();
-      endswitch
-    endfor
+  if (nargin > 2)
+    ## R, C, N?
+    arg1 = varargin{1};
+    arg2 = varargin{2};
+    arg3 = varargin{3};
+    if (isnumeric (arg1) && isscalar (arg1) && isnumeric (arg2)
+        && isscalar (arg2) && isnumeric (arg3))
+      rows = arg1;
+      cols = arg2;
+      index = arg3;
+      varargin(1:3)= [];
+      initial_args_decoded = true;
+    endif
   endif
 
-  if (nargin == 1)
+  if (! initial_args_decoded && nargin > 1)
+    ## check for 'position', pos, ...
+    if (strcmpi (varargin{1}, "position"))
+      arg = varargin{2};
+      if (isnumeric (arg) && numel (arg) == 4)
+        pos = arg;
+        varargin(1:2) = [];
+        have_position = true;
+        initial_args_decoded = true;
+      else
+        error ("expecting position to be a 4-element numeric array");
+      endif
+    endif
+  endif
+    
+  if (! initial_args_decoded && nargin > 0)
+    arg = varargin{1};
+    if (nargin == 1 && ishandle (arg))
+      ## Axes handle?
+      axes (arg);
+      cf = get (0, "currentfigure");
+      set (cf, "nextplot", "add");
+      return;
+    elseif (isscalar (arg) && arg >= 0)
+      ## RCN?
+      index = rem (arg, 10);
+      arg = (arg - index) / 10;
+      cols = rem (arg, 10);
+      arg = (arg - cols) / 10;
+      rows = rem (arg, 10);
+      varargin(1) = [];
+      initial_args_decoded = true;
+    else
+      error ("subplot: expecting axes handle or RCN argument");
+    endif
+  endif
 
-    if (! (isscalar (rows) && rows >= 0))
-      error ("subplot: input RCN has to be a positive scalar");
+  if (! initial_args_decoded)
+    print_usage ();
+  endif
+
+  if (! have_position)
+    cols = round (cols);
+    rows = round (rows);
+    index = round (index);
+
+    if (any (index < 1) || any (index > rows*cols))
+      error ("subplot: INDEX value must be greater than 1 and less than ROWS*COLS");
     endif
 
-    tmp = rows;
-    index = rem (tmp, 10);
-    tmp = (tmp - index) / 10;
-    cols = rem (tmp, 10);
-    tmp = (tmp - cols) / 10;
-    rows = rem (tmp, 10);
-
-  elseif (! (isscalar (cols) && isscalar (rows)))
-    error ("subplot: COLS, and ROWS must be scalars");
-  elseif (any (index < 1) || any (index > rows*cols))
-    error ("subplot: INDEX value must be greater than 1 and less than ROWS*COLS");
+    if (cols < 1 || rows < 1 || index < 1)
+      error ("subplot: COLS, ROWS, and INDEX must be be positive");
+    endif
   endif
 
-  cols = round (cols);
-  rows = round (rows);
-  index = round (index);
-
-  if (index > cols*rows)
-    error ("subplot: INDEX must be less than COLS*ROWS");
-  endif
-
-  if (cols < 1 || rows < 1 || index < 1)
-    error ("subplot: COLS,ROWS,INDEX must be be positive");
-  endif
+  nargs = numel (varargin);
+  while (nargs > 0)
+    arg = varargin{1};
+    if (strcmpi (arg, "align"))
+      align_axes = true;
+    elseif (strcmpi (arg, "replace"))
+      replace_axes = true;
+    else
+      break;
+    endif
+    varargin(1) = [];
+    nargs--;
+  endwhile
 
   axesunits = get (0, "defaultaxesunits");
   cf = gcf ();
@@ -133,12 +173,14 @@
       align_axes = true;
     endif
 
-    if (align_axes)
-      pos = subplot_position (rows, cols, index, "position");
-    elseif (strcmp (get (cf, "__graphics_toolkit__"), "gnuplot"))
-      pos = subplot_position (rows, cols, index, "outerpositiontight");
-    else
-      pos = subplot_position (rows, cols, index, "outerposition");
+    if (! have_position)
+      if (align_axes)
+        pos = subplot_position (rows, cols, index, "position");
+      elseif (strcmp (get (cf, "__graphics_toolkit__"), "gnuplot"))
+        pos = subplot_position (rows, cols, index, "outerpositiontight");
+      else
+        pos = subplot_position (rows, cols, index, "outerposition");
+      endif
     endif
 
     set (cf, "nextplot", "add");
@@ -190,12 +232,12 @@
     if (found)
       set (cf, "currentaxes", tmp);
     elseif (align_axes)
-      tmp = axes ("box", "off", "position", pos);
+      tmp = axes ("box", "off", "position", pos, varargin{:});
     elseif (strcmp (get (cf, "__graphics_toolkit__"), "gnuplot"))
-      tmp = axes ("box", "off", "outerposition", pos);
+      tmp = axes ("box", "off", "outerposition", pos, varargin{:});
     else
       tmp = axes ("looseinset", [0 0 0 0], "box", "off", "outerposition", pos,
-                  "autopos_tag", "subplot");
+                  "autopos_tag", "subplot", varargin{:});
     endif
 
   unwind_protect_cleanup
--- a/scripts/plot/title.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/plot/title.m	Wed Nov 16 14:37:55 2011 -0500
@@ -19,23 +19,27 @@
 ## -*- texinfo -*-
 ## @deftypefn  {Function File} {} title (@var{string})
 ## @deftypefnx {Function File} {} title (@var{string}, @var{p1}, @var{v1}, @dots{})
+## @deftypefnx {Function File} {} title (@var{h}, @dots{})
+## @deftypefnx {Function File} {@var{h} =} title (@dots{})
 ## Create a title object and return a handle to it.
 ## @end deftypefn
 
 ## Author: jwe
 
-function h = title (string, varargin)
+function retval = title (varargin)
+
+  [h, varargin, nargin] = __plt_get_axis_arg__ ("title", varargin{:});
 
-  if (rem (nargin, 2) == 1)
-    if (nargout > 0)
-      h = __axis_label__ ("title", string, varargin{:});
-    else
-      __axis_label__ ("title", string, varargin{:});
-    endif
-  else
+  if (rem (nargin, 2) != 1)
     print_usage ();
   endif
 
+  tmp = __axis_label__ (h, "title", varargin{:});
+
+  if (nargout > 0)
+    retval = tmp;
+  endif
+
 endfunction
 
 %!demo
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/scripts/plot/waitbar.m	Wed Nov 16 14:37:55 2011 -0500
@@ -0,0 +1,184 @@
+## Copyright (C) 2011 John W. Eaton
+##
+## This file is part of Octave.
+##
+## Octave is free software; you can redistribute it and/or modify it
+## under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 3 of the License, or (at
+## your option) any later version.
+##
+## Octave is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+## General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with Octave; see the file COPYING.  If not, see
+## <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn  {Function File} {@var{h} =} waitbar (@var{frac})
+## @deftypefnx {Function File} {@var{h} =} waitbar (@var{frac}, @var{msg})
+## @deftypefnx {Function File} {@var{h} =} waitbar (@dots{}, "FigureProperty", "Value", @dots{})
+## @deftypefnx {Function File} {} waitbar (@var{frac})
+## @deftypefnx {Function File} {} waitbar (@var{frac}, @var{hwbar})
+## @deftypefnx {Function File} {} waitbar (@var{frac}, @var{hwbar}, @var{msg})
+## Return a handle @var{h} to a new waitbar object.  The waitbar is
+## filled to fraction @var{frac} which must be in the range [0, 1].  The
+## optional message @var{msg} is centered and displayed above the waitbar.
+## The appearance of the waitbar figure window can be configured by passing 
+## property/value pairs to the function.
+## 
+## When called with a single input the current waitbar, if it exists, is
+## updated to the new value @var{frac}.  If there are multiple outstanding
+## waitbars they can be updated individually by passing the handle @var{hwbar}
+## of the specific waitbar to modify.
+## @end deftypefn
+
+## Author: jwe
+
+function retval = waitbar (varargin)
+
+  persistent curr_waitbar;
+
+  if (nargin < 1)
+    print_usage ();
+  endif
+
+  frac = varargin{1};
+  varargin(1) = [];
+
+  if (! (isnumeric (frac) && isscalar (frac) && frac >= 0 && frac <= 1))
+    error ("waitbar: FRAC must be between 0 and 1");
+  endif
+
+  ## Use existing waitbar if it still points to a valid graphics handle.
+  if (nargin == 1 && ishandle (curr_waitbar))
+    h = curr_waitbar;
+  else
+    h = false;
+  endif
+
+  if (! isempty (varargin) && isnumeric (varargin{1}))
+    if (! ishandle (varargin{1}))
+      error ("waitbar: H must be a handle to a waitbar object");
+    else
+      h = varargin{1};
+      varargin(1) = [];
+      if (! isfigure (h) || ! strcmp (get (h, "tag"), "waitbar"))
+        error ("waitbar: H must be a handle to a waitbar object");
+      endif
+    endif
+  endif
+
+  msg = false;
+
+  if (! isempty (varargin))
+    msg = varargin{1};
+    varargin(1) = [];
+    if (! (ischar (msg) || iscellstr (msg)))
+      error ("waitbar: MSG must be a character string or cell array of strings");
+    endif
+  endif
+
+  if (rem (numel (varargin), 2) != 0)
+    error ("waitbar: invalid number of property-value pairs");
+  endif
+
+  if (h)
+    p = findobj (h, "type", "patch");
+    set (p, "xdata", [0; frac; frac; 0]);
+    ax = findobj (h, "type", "axes");
+    if (ischar (msg) || iscellstr (msg))
+      th = get (ax, "title");
+      curr_msg = get (th, "string");
+      cmp = strcmp (msg, curr_msg);
+      if (all (cmp(:)))
+        set (th, "string", msg);
+      endif
+    endif
+  else
+    h = __go_figure__ (NaN, "position", [250, 500, 400, 100],
+                       "numbertitle", "off",
+                       "toolbar", "none", "menubar", "none",
+                       "integerhandle", "off",
+                       "handlevisibility", "callback",
+                       "tag", "waitbar",
+                       varargin{:});
+
+    ax = axes ("parent", h, "xtick", [], "ytick", [],
+               "xlim", [0, 1], "ylim", [0, 1],
+               "xlimmode", "manual", "ylimmode", "manual",
+               "position", [0.1, 0.3, 0.8, 0.2]);
+
+    patch (ax, [0; frac; frac; 0], [0; 0; 1; 1], [0, 0.35, 0.75]);
+
+    if (! (ischar (msg) || iscellstr (msg)))
+      msg = "Please wait...";
+    endif
+    title (ax, msg);
+  endif
+
+  drawnow ();
+
+  if (nargout > 0)
+    retval = h;
+  endif
+
+  ## If there were no errors, update current waitbar.
+  curr_waitbar = h;
+
+endfunction
+
+
+%!demo
+%! h = waitbar (0, "0.00%");
+%! for i = 0:0.01:1
+%!   waitbar (i, h, sprintf ("%.2f%%", 100*i));
+%! endfor
+%! close (h);
+
+%!demo
+%! h = waitbar (0, "please wait...");
+%! for i = 0:0.01:0.6
+%!   waitbar (i);
+%! endfor
+%! i = 0.3
+%! waitbar (i, h, "don't you hate taking a step backward?")
+%! pause (0.5);
+%! for i = i:0.005:0.7
+%!   waitbar (i, h);
+%! endfor
+%! waitbar (i, h, "or stalling?")
+%! pause (1);
+%! for i = i:0.003:0.8
+%!   waitbar (i, h, "just a little longer now")
+%! endfor
+%! for i = i:0.001:1
+%!   waitbar (i, h, "please don't be impatient")
+%! endfor
+%! close (h);
+
+%!demo
+%! h1 = waitbar (0, "Waitbar #1");
+%! h2 = waitbar (0, "Waitbar #2");
+%! h2pos = get (h2, "position");
+%! h2pos(1) += h2pos(3) + 50;
+%! set (h2, "position", h2pos);
+%! pause (0.5);
+%! for i = 1:4
+%!   waitbar (i/4, h1);
+%!   pause (0.5);
+%!   waitbar (i/4, h2);
+%!   pause (0.5);
+%! endfor
+%! pause (0.5);
+%! close (h1);
+%! close (h2);
+
+%% Test input validation
+%!error <FRAC must be between 0 and 1> waitbar (-0.5)
+%!error <FRAC must be between 0 and 1> waitbar (1.5)
+%!error <MSG must be a character string> waitbar (0.5, struct ())
+%!error <invalid number of property-value pairs> waitbar (0.5, "msg", "Name")
+
--- a/scripts/plot/xlabel.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/plot/xlabel.m	Wed Nov 16 14:37:55 2011 -0500
@@ -39,14 +39,8 @@
     print_usage ();
   endif
 
-  oldh = gca ();
-  unwind_protect
-    axes (h);
-    tmp = __axis_label__ ("xlabel", varargin{:},
-                          "color", get (h, "xcolor"));
-  unwind_protect_cleanup
-    axes (oldh);
-  end_unwind_protect
+  tmp = __axis_label__ (h, "xlabel", varargin{:},
+                        "color", get (h, "xcolor"));
 
   if (nargout > 0)
     retval = tmp;
--- a/scripts/plot/ylabel.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/plot/ylabel.m	Wed Nov 16 14:37:55 2011 -0500
@@ -33,14 +33,8 @@
     print_usage ();
   endif
 
-  oldh = gca ();
-  unwind_protect
-    axes (h);
-    tmp = __axis_label__ ("ylabel", varargin{:},
-                          "color", get (h, "ycolor"));
-  unwind_protect_cleanup
-    axes (oldh);
-  end_unwind_protect
+  tmp = __axis_label__ (h, "ylabel", varargin{:},
+                        "color", get (h, "ycolor"));
 
   if (nargout > 0)
     retval = tmp;
--- a/scripts/plot/zlabel.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/plot/zlabel.m	Wed Nov 16 14:37:55 2011 -0500
@@ -33,14 +33,8 @@
     print_usage ();
   endif
 
-  oldh = gca ();
-  unwind_protect
-    axes (h);
-    tmp = __axis_label__ ("zlabel", varargin{:},
-                          "color", get (h, "zcolor"));
-  unwind_protect_cleanup
-    axes (oldh);
-  end_unwind_protect
+  tmp = __axis_label__ (h, "zlabel", varargin{:},
+                        "color", get (h, "zcolor"));
 
   if (nargout > 0)
     retval = tmp;
--- a/scripts/polynomial/unmkpp.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/polynomial/unmkpp.m	Wed Nov 16 14:37:55 2011 -0500
@@ -47,11 +47,12 @@
 ## @end deftypefn
 
 function [x, P, n, k, d] = unmkpp (pp)
-  if (nargin == 0)
+
+  if (nargin != 1)
     print_usage ();
   endif
-  if (! (isstruct (pp) && strcmp (pp.form, "pp")))
-    error ("unmkpp: expecting piecewise polynomial structure");
+  if (! (isstruct (pp) && isfield (pp, "form") && strcmp (pp.form, "pp")))
+    error ("unmkpp: PP must be a piecewise polynomial structure");
   endif
   x = pp.breaks;
   P = pp.coefs;
@@ -60,3 +61,23 @@
   d = pp.dim;
 
 endfunction
+
+
+%!test
+%! b = 1:3;
+%! c = 1:24;
+%! pp = mkpp (b,c);
+%! [x, P, n, k, d] = unmkpp (pp);
+%! assert (x, b);
+%! assert (P, reshape (c, [2 12]));
+%! assert (n, 2);
+%! assert (k, 12);
+%! assert (d, 1);
+
+%% Test input validation
+%!error unmkpp ()
+%!error unmkpp (1,2)
+%!error <piecewise polynomial structure> unmkpp (1)
+%!error <piecewise polynomial structure> unmkpp (struct ("field1", "pp"))
+%!error <piecewise polynomial structure> unmkpp (struct ("form", "not_a_pp"))
+
--- a/scripts/prefs/ispref.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/prefs/ispref.m	Wed Nov 16 14:37:55 2011 -0500
@@ -38,6 +38,7 @@
   if (nargin == 1)
     retval = isfield (loadprefs (), group);
   elseif (nargin == 2)
+    prefs = loadprefs ();
     if (isfield (prefs, group))
       grp = prefs.(group);
       if (ischar (pref) || iscellstr (pref))
--- a/scripts/prefs/private/prefsfile.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/prefs/private/prefsfile.m	Wed Nov 16 14:37:55 2011 -0500
@@ -25,7 +25,26 @@
 
 function retval = prefsfile ()
 
-  retval = "~/.octave-prefs";
+  retval = "~/.octave_prefs";
+
+  ## Transition users to new filename if necessary
+  ## FIXME: Delete before 3.6.0 release
+  oldname = tilde_expand ("~/.octave-prefs");
+  if (exist (oldname, "file"))
+    newname = tilde_expand (retval); 
+    if (exist (newname, "file"))
+      error (["Octave uses the file ~/.octave_prefs to store preferences.\n",...
+              "       The old file name was ~/.octave-prefs.\n",...
+              "       Both files exist."...
+              "  User must manually delete one of the files.\n"]);
+    endif
+    status = movefile (oldname, newname);
+    if (! status)
+      error (["Octave uses the file ~/.octave_prefs to store preferences.\n",
+             "        The old file name was ~/.octave-prefs.\n",
+             "        User must manually rename the old file to the new name.\n"]);
+    endif
+  endif
 
 endfunction
 
--- a/scripts/sparse/bicg.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/sparse/bicg.m	Wed Nov 16 14:37:55 2011 -0500
@@ -222,6 +222,16 @@
 %! [x, flag, relres, iter, resvec] = bicg (A, b, tol, maxit, M1, M2);
 %! assert (x, ones (size (b)), 1e-7);
 %!
+
+%!function y = afun (x, t, a)
+%!  switch t
+%!   case "notransp"
+%!     y = a * x;
+%!   case "transp"
+%!     y = a' * x;
+%!  endswitch
+%!endfunction
+%!
 %!test
 %! n = 100;
 %! A = spdiags ([-2*ones(n,1) 4*ones(n,1) -ones(n,1)], -1:1, n, n);
@@ -231,15 +241,6 @@
 %! M1 = spdiags ([ones(n,1)/(-2) ones(n,1)],-1:0, n, n);
 %! M2 = spdiags ([4*ones(n,1) -ones(n,1)], 0:1, n, n);
 %!
-%! function y = afun (x, t, a)
-%!  switch t
-%!   case "notransp"
-%!     y = a * x;
-%!   case "transp"
-%!     y = a' * x;
-%!  endswitch
-%! endfunction
-%!
 %! [x, flag, relres, iter, resvec] = bicg (@(x, t) afun (x, t, A),
 %!                                         b, tol, maxit, M1, M2);
 %! assert (x, ones (size (b)), 1e-7);
--- a/scripts/sparse/bicgstab.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/sparse/bicgstab.m	Wed Nov 16 14:37:55 2011 -0500
@@ -217,13 +217,13 @@
 %! assert (x, ones (size (b)), 1e-7);
 %!
 %!test
+%!function y = afun (x, a)
+%!  y = a * x;
+%!endfunction
+%!
 %! tol = 1e-8;
 %! maxit = 15;
 %!
-%! function y = afun (x, a)
-%!     y = a * x;
-%! endfunction
-%!
 %! [x, flag, relres, iter, resvec] = bicgstab (@(x) afun (x, A), b,
 %!                                             tol, maxit, M1, M2);
 %! assert (x, ones (size (b)), 1e-7);
--- a/scripts/sparse/etreeplot.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/sparse/etreeplot.m	Wed Nov 16 14:37:55 2011 -0500
@@ -20,7 +20,7 @@
 ## @deftypefn  {Function File} {} etreeplot (@var{A})
 ## @deftypefnx {Function File} {} etreeplot (@var{A}, @var{node_style}, @var{edge_style})
 ## Plot the elimination tree of the matrix @var{A} or
-## @code{@var{A}+@var{A}'} if @var{A} in not symmetric.  The optional
+## @xcode{@var{A}+@var{A}'} if @var{A} in not symmetric.  The optional
 ## parameters @var{node_style} and @var{edge_style} define the output
 ## style.
 ## @seealso{treeplot, gplot}
--- a/scripts/sparse/gmres.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/sparse/gmres.m	Wed Nov 16 14:37:55 2011 -0500
@@ -65,7 +65,7 @@
 ## @seealso{bicg, bicgstab, cgs, pcg}
 ## @end deftypefn
 
-function [x, flag, presn, it] = gmres (A, b, restart, rtol, maxit, M1, M2, x0)
+function [x, flag, presn, it, resids] = gmres (A, b, restart, rtol, maxit, M1, M2, x0)
 
   if (nargin < 2 || nargin > 8)
     print_usage ();
@@ -182,7 +182,7 @@
   endif
 
   resids = resids(1:iter-1);
-  it = [floor(maxit/restart), rem(maxit, restart)];
+  it = [ceil(iter / restart), rem(iter, restart)];
 
 endfunction
 
--- a/scripts/sparse/sprandsym.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/sparse/sprandsym.m	Wed Nov 16 14:37:55 2011 -0500
@@ -81,8 +81,8 @@
 
 function r = pick_rand_diag (n, k)
   ## Pick a random number R of entries for the diagonal of a sparse NxN
-  ## square matrix with exactly K nonzero entries, ensuring that this R
-  ## is chosen uniformly over all such matrices.
+  ## symmetric square matrix with exactly K nonzero entries, ensuring
+  ## that this R is chosen uniformly over all such matrices.
   ##
   ## Let D be the number of diagonal entries and M the number of
   ## off-diagonal entries. Then K = D + 2*M. Let A = N*(N-1)/2 be the
--- a/scripts/statistics/base/ols.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/statistics/base/ols.m	Wed Nov 16 14:37:55 2011 -0500
@@ -109,12 +109,12 @@
 
   ## Start of algorithm
   z = x' * x;
-  rnk = rank (z);
+  [u, p] = chol (z);
 
-  if (rnk == nc)
-    beta = inv (z) * x' * y;
+  if (p)
+    beta = pinv (x) * y;
   else
-    beta = pinv (x) * y;
+    beta = u \ (u' \ (x' * y));
   endif
 
   if (isargout (2) || isargout (3))
--- a/scripts/statistics/base/var.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/statistics/base/var.m	Wed Nov 16 14:37:55 2011 -0500
@@ -23,7 +23,7 @@
 ## Compute the variance of the elements of the vector @var{x}.
 ## @tex
 ## $$
-## {\rm std} (x) = \sigma^2 = {\sum_{i=1}^N (x_i - \bar{x})^2 \over N - 1}
+## {\rm var} (x) = \sigma^2 = {\sum_{i=1}^N (x_i - \bar{x})^2 \over N - 1}
 ## $$
 ## where $\bar{x}$ is the mean value of $x$.
 ## @end tex
@@ -31,7 +31,7 @@
 ##
 ## @example
 ## @group
-## std (x) = 1/(N-1) SUM_i (x(i) - mean(x))^2
+## var (x) = 1/(N-1) SUM_i (x(i) - mean(x))^2
 ## @end group
 ## @end example
 ##
--- a/scripts/statistics/tests/anova.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/statistics/tests/anova.m	Wed Nov 16 14:37:55 2011 -0500
@@ -88,7 +88,7 @@
   v_b = SSB / df_b;
   v_w = SSW / df_w;
   f = v_b / v_w;
-  pval = 1 - f_cdf (f, df_b, df_w);
+  pval = 1 - fcdf (f, df_b, df_w);
 
   if (nargout == 0)
     ## This eventually needs to be done more cleanly ...
--- a/scripts/statistics/tests/f_test_regression.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/statistics/tests/f_test_regression.m	Wed Nov 16 14:37:55 2011 -0500
@@ -68,7 +68,7 @@
   [b, v] = ols (y, x);
   diff   = rr * b - r;
   f      = diff' * inv (rr * inv (x' * x) * rr') * diff / (q * v);
-  pval  = 1 - f_cdf (f, df_num, df_den);
+  pval  = 1 - fcdf (f, df_num, df_den);
 
   if (nargout == 0)
     printf ("  pval: %g\n", pval);
--- a/scripts/statistics/tests/hotelling_test.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/statistics/tests/hotelling_test.m	Wed Nov 16 14:37:55 2011 -0500
@@ -63,7 +63,7 @@
 
   d    = mean (x) - m;
   Tsq  = n * d * (cov (x) \ d');
-  pval = 1 - f_cdf ((n-p) * Tsq / (p * (n-1)), p, n-p);
+  pval = 1 - fcdf ((n-p) * Tsq / (p * (n-1)), p, n-p);
 
   if (nargout == 0)
     printf ("  pval: %g\n", pval);
--- a/scripts/statistics/tests/hotelling_test_2.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/statistics/tests/hotelling_test_2.m	Wed Nov 16 14:37:55 2011 -0500
@@ -76,7 +76,7 @@
   d    = mean (x) - mean (y);
   S    = ((n_x - 1) * cov (x) + (n_y - 1) * cov (y)) / (n_x + n_y - 2);
   Tsq  = (n_x * n_y / (n_x + n_y)) * d * (S \ d');
-  pval = 1 - f_cdf ((n_x + n_y - p - 1) * Tsq / (p * (n_x + n_y - 2)),
+  pval = 1 - fcdf ((n_x + n_y - p - 1) * Tsq / (p * (n_x + n_y - 2)),
                     p, n_x + n_y - p - 1);
 
   if (nargout == 0)
--- a/scripts/statistics/tests/manova.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/statistics/tests/manova.m	Wed Nov 16 14:37:55 2011 -0500
@@ -34,7 +34,7 @@
 
 ## Three test statistics (Wilks, Hotelling-Lawley, and Pillai-Bartlett)
 ## and corresponding approximate p-values are calculated and displayed.
-## (Currently NOT because the f_cdf respectively betai code is too bad.)
+## (Currently NOT because the fcdf respectively betai code is too bad.)
 
 ## Author: TF <Thomas.Fuereder@ci.tuwien.ac.at>
 ## Adapted-By: KH <Kurt.Hornik@wu-wien.ac.at>
@@ -107,7 +107,7 @@
   df_den = delta * eta - df_num / 2 + 1;
 
   WT = exp (- log (Lambda) / eta) - 1;
-  W_pval_2 = 1 - f_cdf (WT * df_den / df_num, df_num, df_den);
+  W_pval_2 = 1 - fcdf (WT * df_den / df_num, df_num, df_den);
 
   if (0)
 
@@ -123,7 +123,7 @@
     df_num = theta * (2 * u + theta + 1);
     df_den = 2 * (theta * v + 1);
 
-    HL_pval = 1 - f_cdf (HL * df_den / df_num, df_num, df_den);
+    HL_pval = 1 - fcdf (HL * df_den / df_num, df_num, df_den);
 
     ## Pillai-Bartlett
     ## ===============
@@ -131,7 +131,7 @@
     PB = sum (l ./ (1 + l));
 
     df_den = theta * (2 * v + theta + 1);
-    PB_pval = 1 - f_cdf (PB * df_den / df_num, df_num, df_den);
+    PB_pval = 1 - fcdf (PB * df_den / df_num, df_num, df_den);
 
     printf ("\n");
     printf ("One-way MANOVA Table:\n");
--- a/scripts/statistics/tests/var_test.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/statistics/tests/var_test.m	Wed Nov 16 14:37:55 2011 -0500
@@ -54,7 +54,7 @@
   df_num = length (x) - 1;
   df_den = length (y) - 1;
   f      = var (x) / var (y);
-  cdf    = f_cdf (f, df_num, df_den);
+  cdf    = fcdf (f, df_num, df_den);
 
   if (nargin == 2)
     alt  = "!=";
--- a/scripts/strings/cstrcat.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/strings/cstrcat.m	Wed Nov 16 14:37:55 2011 -0500
@@ -44,36 +44,27 @@
 
 function st = cstrcat (varargin)
 
-  if (nargin > 0)
+  if (nargin < 1)
+    print_usage ();
+  elseif (! iscellstr (varargin))
+    error ("cstrcat: expecting arguments to character strings");
+  endif
 
-    if (iscellstr (varargin))
-      ## All arguments are character strings.
-      unwind_protect
-        tmp = warning ("query", "Octave:empty-list-elements");
-        warning ("off", "Octave:empty-list-elements");
-        st = [varargin{:}];
-      unwind_protect_cleanup
-        warning (tmp.state, "Octave:empty-list-elements");
-      end_unwind_protect
-    else
-      error ("cstrcat: expecting arguments to character strings");
-    endif
-  else
-    print_usage ();
-  endif
+  st = [varargin{:}];
 
 endfunction
 
-## test the dimensionality
-## 1d
-%!assert(cstrcat("ab ", "ab "), "ab ab ")
-## 2d
-%!assert(cstrcat(["ab ";"cde"], ["ab ";"cde"]), ["ab ab ";"cdecde"])
 
-%!assert((strcmp (cstrcat ("foo", "bar"), "foobar")
-%! && strcmp (cstrcat (["a"; "bb"], ["foo"; "bar"]), ["a foo"; "bbbar"])));
+## Test the dimensionality
+## 1d
+%!assert (cstrcat ("ab ", "ab "), "ab ab ")
+## 2d
+%!assert (cstrcat (["ab ";"cde"], ["ab ";"cde"]), ["ab ab ";"cdecde"])
 
+%!assert (cstrcat ("foo", "bar"), "foobar")
+%!assert (cstrcat (["a"; "bb"], ["foo"; "bar"]), ["a foo"; "bbbar"])
+
+%% Test input validation
 %!error cstrcat ();
-
 %!error cstrcat (1, 2);
 
--- a/scripts/strings/strsplit.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/strings/strsplit.m	Wed Nov 16 14:37:55 2011 -0500
@@ -17,13 +17,14 @@
 ## <http://www.gnu.org/licenses/>.
 
 ## -*- texinfo -*-
-## @deftypefn {Function File} {[@var{cstr}] =} strsplit (@var{p}, @var{sep}, @var{strip_empty})
-## Split a string using one or more delimiters and return a cell
-## array of strings.  Consecutive delimiters and delimiters at
+## @deftypefn  {Function File} {[@var{cstr}] =} strsplit (@var{s}, @var{sep})
+## @deftypefnx {Function File} {[@var{cstr}] =} strsplit (@var{s}, @var{sep}, @var{strip_empty})
+## Split the string @var{s} using one or more separators @var{sep} and return
+## a cell array of strings.  Consecutive separators and separators at
 ## boundaries result in empty strings, unless @var{strip_empty} is true.
 ## The default value of @var{strip_empty} is false.
 ##
-## 2-D character arrays are split at delimiters and at the original column
+## 2-D character arrays are split at separators and at the original column
 ## boundaries.
 ##
 ## Example:
@@ -49,51 +50,51 @@
 ## @seealso{strtok}
 ## @end deftypefn
 
-function s = strsplit (p, sep, strip_empty = false)
+function cstr = strsplit (s, sep, strip_empty = false)
 
   if (nargin < 2 || nargin > 3)
     print_usage ();
-  elseif (! ischar (p) || ! ischar (sep))
-    error ("strsplit: P and SEP must be string values");
+  elseif (! ischar (s) || ! ischar (sep))
+    error ("strsplit: S and SEP must be string values");
   elseif (! isscalar (strip_empty))
     error ("strsplit: STRIP_EMPTY must be a scalar value");
   endif
 
-  if (isempty (p))
-    s = cell (size (p));
+  if (isempty (s))
+    cstr = cell (size (s));
   else
-    if (rows (p) > 1)
+    if (rows (s) > 1)
       ## For 2-D arrays, add separator character at line boundaries
       ## and transform to single string
-      p(:, end+1) = sep(1);
-      p = reshape (p.', 1, numel (p));
-      p(end) = []; 
+      s(:, end+1) = sep(1);
+      s = reshape (s.', 1, numel (s));
+      s(end) = []; 
     endif
 
-    ## Split p according to delimiter
+    ## Split s according to delimiter
     if (isscalar (sep))
       ## Single separator
-      idx = find (p == sep);
+      idx = find (s == sep);
     else
       ## Multiple separators
-      idx = strchr (p, sep);
+      idx = strchr (s, sep);
     endif
 
     ## Get substring lengths.
     if (isempty (idx))
-      strlens = length (p);
+      strlens = length (s);
     else
-      strlens = [idx(1)-1, diff(idx)-1, numel(p)-idx(end)];
+      strlens = [idx(1)-1, diff(idx)-1, numel(s)-idx(end)];
     endif
     ## Remove separators.
-    p(idx) = [];
+    s(idx) = [];
     if (strip_empty)
       ## Omit zero lengths.
       strlens = strlens(strlens != 0);
     endif
 
     ## Convert!
-    s = mat2cell (p, 1, strlens);
+    cstr = mat2cell (s, 1, strlens);
   endif
 
 endfunction
@@ -110,7 +111,7 @@
 %!error strsplit ()
 %!error strsplit ("abc")
 %!error strsplit ("abc", "b", true, 4)
-%!error <P and SEP must be string values> strsplit (123, "b")
-%!error <P and SEP must be string values> strsplit ("abc", 1)
+%!error <S and SEP must be string values> strsplit (123, "b")
+%!error <S and SEP must be string values> strsplit ("abc", 1)
 %!error <STRIP_EMPTY must be a scalar value> strsplit ("abc", "def", ones(3,3))
 
--- a/scripts/strings/strtok.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/strings/strtok.m	Wed Nov 16 14:37:55 2011 -0500
@@ -17,13 +17,18 @@
 ## <http://www.gnu.org/licenses/>.
 
 ## -*- texinfo -*-
-## @deftypefn {Function File} {[@var{tok}, @var{rem}] =} strtok (@var{str}, @var{delim})
+## @deftypefn  {Function File} {[@var{tok}, @var{rem}] =} strtok (@var{str})
+## @deftypefnx {Function File} {[@var{tok}, @var{rem}] =} strtok (@var{str}, @var{delim})
 ##
-## Find all characters up to but not including the first character which
-## is in the string delim.  If @var{rem} is requested, it contains the
-## remainder of the string, starting at the first delimiter.  Leading
-## delimiters are ignored.  If @var{delim} is not specified, space is
-## assumed.  For example:
+## Find all characters in the string @var{str} up to, but not including, the 
+## first character which is in the string @var{delim}.  If @var{rem} is
+## requested, it contains the remainder of the string, starting at the first
+## delimiter.  Leading delimiters are ignored.  If @var{delim} is not
+## specified, whitespace is assumed.  @var{str} may also be a cell array of
+## strings in which case the function executes on every individual string
+## and returns a cell array of tokens and remainders.
+##
+## Examples:
 ##
 ## @example
 ## @group
@@ -36,126 +41,184 @@
 ##         rem = *27+31
 ## @end group
 ## @end example
-## @seealso{index, strsplit}
+## @seealso{index, strsplit, strchr, isspace}
 ## @end deftypefn
 
-## FIXME: check what to do for a null delimiter
-
 function [tok, rem] = strtok (str, delim)
 
-  if (nargin<1 || nargin > 2)
+  if (nargin < 1 || nargin > 2)
     print_usage ();
+  elseif (! (ischar (str) || iscellstr (str)))
+    error ("strtok: STR must be a string or cell array of strings.");
+  elseif (ischar (str) && ! isvector (str) &&! isempty (str))
+    error ("strtok: STR cannot be a 2-D character array.");
   endif
 
   if (nargin < 2 || isempty (delim))
-    delim = "\t\n\v\f\r ";
+    ws_delim = true;
+  else
+    ws_delim = false;
   endif
 
   if (isempty (str))
     tok = rem = "";
-  elseif (length (delim) > 3)
-    start = 1;
-    len = length (str);
-    while (start <= len)
-      if (all (str(start) != delim))
-        break;
-      endif
-      start++;
-    endwhile
-    stop = start;
-    while (stop <= len)
-      if (any (str(stop) == delim))
-        break;
-      endif
-      stop++;
-    endwhile
-    tok = str(start:stop-1);
-    rem = str(stop:len);
-  else
-    if (length (delim) == 1)
-      idx = find (str == delim);
-    elseif (length (delim) == 2)
-      idx = find (str == delim(1) | str == delim(2));
+  elseif (ischar (str))
+    if (ws_delim)
+      idx = isspace (str);
+    elseif (length (delim) <= 7)
+      ## Build index of delimiters incrementally for low N.
+      idx = str == delim(1);
+      for i = 2:length (delim) 
+        idx |= str == delim(i);
+      endfor
     else
-      idx = find (str == delim(1) | str == delim(2) | str == delim(3));
+      ## Index the str into a mask of valid values.  Faster for large N.
+      f = false (256, 1);
+      ## This is slower than it could be because of the +1 issue.
+      f(uint8(delim)+1) = true;
+      ## Default goes via double -- unnecessarily long.
+      si = uint32 (str);
+      ## in-place is faster than str+1
+      ++si;
+      idx = f(si);
     endif
-    if (isempty (idx))
+
+    idx_dlim = find (idx, 1);
+    idx_nodlim = find (! idx, 1);
+    if (isempty (idx_dlim))
+      ## No delimiter.  Return whole string.
       tok = str;
       rem = "";
+    elseif (idx_dlim > idx_nodlim)
+      ## Normal case.  No leading delimiters and at least 1 delimiter in STR. 
+      tok = str(1:idx_dlim-1);
+      rem = str(idx_dlim:end);
     else
-      ## Find first non-leading delimiter.
-      skip = find (idx(:)' != 1:length(idx));
-      if (isempty (skip))
-        tok = str(idx(length(idx))+1:length(str));
+      ## Leading delimiter found.
+      idx_dlim = find (idx(idx_nodlim+1:end), 1); 
+      if (isempty (idx_dlim))
+        ## No further delimiters.  Return STR stripped of delimiter prefix.
+        tok = str(idx_nodlim:end);
         rem = "";
       else
-        tok = str(skip(1):idx(skip(1))-1);
-        rem = str(idx(skip(1)):length(str));
+        ## Strip delimiter prefix.  Return STR up to 1st delimiter
+        tok = str(idx_nodlim:(idx_dlim + idx_nodlim -1));
+        rem = str((idx_dlim + idx_nodlim):end);
       endif
     endif
+  else    # Cell array of strings
+    if (ws_delim)
+      delim = '\s';
+    endif
+    ptn = [ '^[' delim ']*','([^' delim ']+)','([' delim '].*)$' ];
+    matches = regexp (str, ptn, "tokens");
+    eidx = cellfun ("isempty", matches);
+    midx = ! eidx;
+    tok = cell (size (str));
+    tok(eidx) = regexprep (str(eidx), [ '^[' delim ']+' ], '');
+    ## Unwrap doubly nested cell array from regexp
+    tmp = [matches{midx}];
+    if (! isempty (tmp))
+      tmp = [tmp{:}];
+    endif
+    tok(midx) = tmp(1:2:end);
+    if (isargout (2))
+      rem = cell (size (str));
+      rem(eidx) = {""};
+      rem(midx) = tmp(2:2:end);
+    endif
   endif
 
 endfunction
 
+
 %!demo
 %! strtok("this is the life")
 %! % split at the first space, returning "this"
 
 %!demo
 %! s = "14*27+31"
-%! while 1
-%!   [t,s] = strtok(s, "+-*/");
-%!   printf("<%s>", t);
-%!   if isempty(s), break; endif
-%!   printf("<%s>", s(1));
+%! while (1)
+%!   [t, s] = strtok (s, "+-*/");
+%!   printf ("<%s>", t);
+%!   if (isempty (s))
+%!     break;
+%!   endif
+%!   printf ("<%s>", s(1));
 %! endwhile
 %! printf("\n");
 %! % ----------------------------------------------------
 %! % Demonstrates processing of an entire string split on
-%! % a variety of delimiters. Tokens and delimiters are
-%! % printed one after another in angle brackets.  The
-%! % string is:
+%! % a variety of delimiters.  Tokens and delimiters are
+%! % printed one after another in angle brackets.
 
-%!# test the tokens for all cases
-%!assert(strtok(""), "");             # no string
-%!assert(strtok("this"), "this");     # no delimiter in string
-%!assert(strtok("this "), "this");    # delimiter at end
-%!assert(strtok("this is"), "this");  # delimiter in middle
-%!assert(strtok(" this"), "this");    # delimiter at start
-%!assert(strtok(" this "), "this");   # delimiter at start and end
-%!assert(strtok(" "), ""(1:0));            # delimiter only
+%% Test the tokens for all cases
+%!assert (strtok (""), "");             # no string
+%!assert (strtok ("this"), "this");     # no delimiter in string
+%!assert (strtok ("this "), "this");    # delimiter at end
+%!assert (strtok ("this is"), "this");  # delimiter in middle
+%!assert (strtok (" this"), "this");    # delimiter at start
+%!assert (strtok (" this "), "this");   # delimiter at start and end
+%!assert (strtok (" "), ""(1:0));       # delimiter only
+
+%% Test the remainder for all cases
+%!test [t,r] = strtok (""); assert (r, "");
+%!test [t,r] = strtok ("this"); assert (r, "");
+%!test [t,r] = strtok ("this "); assert (r, " ");
+%!test [t,r] = strtok ("this is"); assert (r, " is");
+%!test [t,r] = strtok (" this"); assert (r, "");
+%!test [t,r] = strtok (" this "); assert (r, " ");
+%!test [t,r] = strtok (" "); assert (r, "");
 
-%!# test the remainder for all cases
-%!test [t,r] = strtok(""); assert(r, "");
-%!test [t,r] = strtok("this"); assert(r, char (zeros (1, 0)));
-%!test [t,r] = strtok("this "); assert(r, " ");
-%!test [t,r] = strtok("this is"); assert(r, " is");
-%!test [t,r] = strtok(" this"); assert(r, char (zeros (1, 0)));
-%!test [t,r] = strtok(" this "); assert(r, " ");
-%!test [t,r] = strtok(" "); assert(r, char (zeros (1, 0)));
-
-%!# simple check with 2 and 3 delimeters
-%!assert(strtok("this is", "i "), "th");
-%!assert(strtok("this is", "ij "), "th");
+%% Test all tokens and remainders with cell array input
+%!test
+%! str = {"", "this", "this ", "this is", " this", " this ", " "};
+%! [t, r] = strtok (str);
+%! assert (t{1}, "");
+%! assert (r{1}, "");
+%! assert (t{2}, "this");
+%! assert (r{2}, "");
+%! assert (t{3}, "this");
+%! assert (r{3}, " ");
+%! assert (t{4}, "this");
+%! assert (r{4}, " is");
+%! assert (t{5}, "this");
+%! assert (r{5}, "");
+%! assert (t{6}, "this");
+%! assert (r{6}, " ");
+%! assert (t{7}, "");
+%! assert (r{7}, "");
 
-%!# test all cases for 4 delimiters since a different
-%!# algorithm is used when more than 3 delimiters
-%!assert(strtok("","jkl "), "");
-%!assert(strtok("this","jkl "), "this");
-%!assert(strtok("this ","jkl "), "this");
-%!assert(strtok("this is","jkl "), "this");
-%!assert(strtok(" this","jkl "), "this");
-%!assert(strtok(" this ","jkl "), "this");
-%!assert(strtok(" ","jkl "), ""(1:0));
+%% Simple check for 2, 3, and 4 delimeters
+%!assert(strtok ("this is", "i "), "th");
+%!assert(strtok ("this is", "ij "), "th");
+%!assert(strtok ("this is", "ijk "), "th");
 
-%!# test 'bad' string orientations
-%!assert(strtok(" this "'), "this"');   # delimiter at start and end
-%!assert(strtok(" this "',"jkl "), "this"');
+%% Test all cases for 8 delimiters since a different
+%!# algorithm is used when more than 7 delimiters
+%!assert (strtok ("","jklmnop "), "");
+%!assert (strtok ("this","jklmnop "), "this");
+%!assert (strtok ("this ","jklmnop "), "this");
+%!assert (strtok ("this is","jklmnop "), "this");
+%!assert (strtok (" this","jklmnop "), "this");
+%!assert (strtok (" this ","jklmnop "), "this");
+%!assert (strtok (" ","jklmnop "), ""(1:0));
 
-%!# test with TAB, LF, VT, FF, and CR
+%% Test 'bad' string orientations
+%!assert (strtok (" this ".'), "this".');   # delimiter at start and end
+%!assert (strtok (" this ".',"jkl "), "this".');
+
+%% Test with TAB, LF, VT, FF, and CR
 %!test
 %! for ch = "\t\n\v\f\r"
 %!   [t, r] = strtok (cstrcat ("beg", ch, "end"));
 %!   assert (t, "beg");
 %!   assert (r, cstrcat (ch, "end"))
 %! endfor
+
+%% Test input validation
+%!error strtok ()
+%!error strtok ("a", "b", "c")
+%!error <STR must be a string> strtok (1, "b")
+%!error <STR cannot be a 2-D> strtok (char ("hello", "world"), "l")
+
--- a/scripts/time/addtodate.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/time/addtodate.m	Wed Nov 16 14:37:55 2011 -0500
@@ -18,32 +18,32 @@
 
 ## -*- texinfo -*-
 ## @deftypefn {Function File} {@var{d} =} addtodate (@var{d}, @var{q}, @var{f})
-## Add @var{q} amount of time (with units @var{f}) to the datenum, @var{d}.
+## Add @var{q} amount of time (with units @var{f}) to the serial datenum, @var{d}.
 ##
-## @var{f} must be one of "year", "month", "day", "hour", "minute", or
-## "second".
-## @seealso{datenum, datevec}
+## @var{f} must be one of "year", "month", "day", "hour", "minute", "second",
+## or "millisecond".
+## @seealso{datenum, datevec, etime}
 ## @end deftypefn
 
 ## Author: Bill Denney <bill@denney.ws>
 
 function d = addtodate (d, q, f)
 
+  persistent mult = struct ("day", 1, "hour", 1/24, "minute", 1/1440, ...
+                            "second", 1/86400, "millisecond", 1/86400000);
+
   if (nargin != 3)
     print_usage ();
-  elseif (! (ischar (f) && rows (f) == 1))
-    ## FIXME: enhance the function so that it works with cellstrs of the
-    ## same size as the output.
-    error ("addtodate: F must be a single row character string");
+  elseif (! (ischar (f) && isrow (f)))
+    error ("addtodate: F must be a single character string");
   endif
 
-  if (numel (d) == 1 && numel (q) > 1)
-    ## expand d to the size of q if d only has one element to make
-    ## addition later eaiser.
-    d = d.*ones (size (q));
+  if (isscalar (d) && ! isscalar (q))
+    ## expand d to size of q to make later addition easier.
+    d = repmat (d, size (q));
   endif
 
-  ## in case the user gives f as a plural, remove the s
+  ## in case the user gives f as a plural, remove the 's'
   if ("s" == f(end))
     f(end) = [];
   endif
@@ -65,15 +65,15 @@
     else
       d = reshape (dnew, size (q));
     endif
-  elseif (any (strcmpi ({"day" "hour" "minute" "second"}, f)))
-    mult = struct ("day", 1, "hour", 1/24, "minute", 1/1440, "second", 1/86400);
-    d += q.*mult.(f);
+  elseif (any (strcmpi ({"day" "hour" "minute" "second", "millisecond"}, f)))
+    d += q .* mult.(f);
   else
     error ("addtodate: Invalid time unit: %s", f);
   endif
 
 endfunction
 
+
 ## tests
 %!shared d
 %!  d = datenum (2008, 1, 1);
@@ -84,6 +84,7 @@
 %!assert (addtodate (d, 0, "hour"), d)
 %!assert (addtodate (d, 0, "minute"), d)
 %!assert (addtodate (d, 0, "second"), d)
+%!assert (addtodate (d, 0, "millisecond"), d)
 ## Add one of each
 ## leap year
 %!assert (addtodate (d, 1, "year"), d+366)
@@ -92,6 +93,7 @@
 %!assert (addtodate (d, 1, "hour"), d+1/24)
 %!assert (addtodate (d, 1, "minute"), d+1/1440)
 %!assert (addtodate (d, 1, "second"), d+1/86400)
+%!assert (addtodate (d, 1, "millisecond"), d+1/86400000)
 ## substract one of each
 %!assert (addtodate (d, -1, "year"), d-365)
 %!assert (addtodate (d, -1, "month"), d-31)
@@ -99,6 +101,7 @@
 %!assert (addtodate (d, -1, "hour"), d-1/24)
 %!assert (addtodate (d, -1, "minute"), d-1/1440)
 %!assert (addtodate (d, -1, "second"), d-1/86400)
+%!assert (addtodate (d, -1, "millisecond"), d-1/86400000)
 ## rollover
 %!assert (addtodate (d, 12, "month"), d+366)
 %!assert (addtodate (d, 13, "month"), d+366+31)
@@ -109,3 +112,13 @@
 %!assert (addtodate (d, [1 13], "month"), [d+31 d+366+31])
 %!assert (addtodate ([d;d+1], 1, "month"), [d+31;d+1+31])
 %!assert (addtodate ([d d+1], 1, "month"), [d+31 d+1+31])
+
+%% Test input validation
+%!error addtodate ()
+%!error addtodate (1)
+%!error addtodate (1,2)
+%!error addtodate (1,2,3,4)
+%!error <F must be a single character string> addtodate (1,2,3)
+%!error <F must be a single character string> addtodate (1,2,"month"')
+%!error <Invalid time unit> addtodate (1,2,"abc")
+
--- a/scripts/time/asctime.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/time/asctime.m	Wed Nov 16 14:37:55 2011 -0500
@@ -18,36 +18,37 @@
 
 ## -*- texinfo -*-
 ## @deftypefn {Function File} {} asctime (@var{tm_struct})
-## Convert a time structure to a string using the following five-field
-## format: Thu Mar 28 08:40:14 1996.  For example:
+## Convert a time structure to a string using the following 
+## format: "ddd mmm mm HH:MM:SS yyyy".  For example:
 ##
 ## @example
 ## @group
 ## asctime (localtime (time ()))
-##      @result{} "Mon Feb 17 01:15:06 1997\n"
+##      @result{} "Mon Feb 17 01:15:06 1997"
 ## @end group
 ## @end example
 ##
 ## This is equivalent to @code{ctime (time ())}.
+## @seealso{ctime, localtime, time}
 ## @end deftypefn
 
 ## Author: jwe
 
 function retval = asctime (tm_struct)
 
-  if (nargin == 1)
-    retval = strftime ("%a %b %d %H:%M:%S %Y\n", tm_struct);
-  else
+  if (nargin != 1)
     print_usage ();
   endif
 
+  retval = strftime ("%a %b %d %H:%M:%S %Y\n", tm_struct);
+
 endfunction
 
+
 %!test
 %! t = time ();
 %! assert(strcmp (asctime (localtime (t)), ctime (t)));
 
 %!error asctime ();
-
 %!error asctime (1, 2);
 
--- a/scripts/time/calendar.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/time/calendar.m	Wed Nov 16 14:37:55 2011 -0500
@@ -17,22 +17,21 @@
 ## <http://www.gnu.org/licenses/>.
 
 ## -*- texinfo -*-
-## @deftypefn  {Function File} {} calendar (@dots{})
-## @deftypefnx {Function File} {@var{c} =} calendar ()
+## @deftypefn  {Function File} {@var{c} =} calendar ()
 ## @deftypefnx {Function File} {@var{c} =} calendar (@var{d})
 ## @deftypefnx {Function File} {@var{c} =} calendar (@var{y}, @var{m})
-## If called with no arguments, return the current monthly calendar in
-## a 6x7 matrix.
+## @deftypefnx {Function File} {} calendar (@dots{})
+## Return the current monthly calendar in a 6x7 matrix.
 ##
 ## If @var{d} is specified, return the calendar for the month containing
-## the day @var{d}, which must be a serial date number or a date string.
+## the date @var{d}, which must be a serial date number or a date string.
 ##
 ## If @var{y} and @var{m} are specified, return the calendar for year @var{y}
 ## and month @var{m}.
 ##
 ## If no output arguments are specified, print the calendar on the screen
 ## instead of returning a matrix.
-## @seealso{datenum}
+## @seealso{datenum, datestr}
 ## @end deftypefn
 
 ## Author: pkienzle <pkienzle@users.sf.net>
@@ -72,13 +71,10 @@
     str = sprintf ("    %2d    %2d    %2d    %2d    %2d    %2d    %2d\n", c);
 
     ## Print an asterisk before the specified date
-    if (! isempty (d) && d >= 1 && d <= ndays)
+    if (! isempty (d))
       pos = weekday (dayone) + d - 1;
-      idx = 6 * (pos - 1) + floor (pos / 7) + 1;
-      while (str(idx) == " ")
-        ++idx;
-      endwhile
-      str(--idx) = "*";
+      idx = 6*pos + fix (pos / 7.1) - ifelse (d < 10, 1, 2);
+      str(idx) = "*";
     endif
 
     ## Display the calendar.
@@ -91,11 +87,18 @@
 
 endfunction
 
-# tests
-%!assert((calendar(2000,2))'(2:31),[0:29]);
-%!assert((calendar(1957,10))'(2:33),[0:31]);
-# demos
+
+## demos
 %!demo
+%! ## Calendar for current month
 %! calendar ()
 %!demo
 %! calendar (1957, 10)
+
+## tests
+%!assert ((calendar(2000,2))'(2:31), [0:29])
+%!assert ((calendar(1957,10))'(2:33), [0:31])
+
+%% Test input validation
+%!error calendar (1,2,3)
+
--- a/scripts/time/clock.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/time/clock.m	Wed Nov 16 14:37:55 2011 -0500
@@ -18,18 +18,23 @@
 
 ## -*- texinfo -*-
 ## @deftypefn {Function File} {} clock ()
-## Return a vector containing the current year, month (1-12), day (1-31),
-## hour (0-23), minute (0-59) and second (0-61).  For example:
+## Return the current local date and time as a date vector.  The date vector
+## contains the following fields: current year, month (1-12), day (1-31),
+## hour (0-23), minute (0-59), and second (0-61).  The seconds field has
+## a fractional part after the decimal point for extended accuracy.
+##
+## For example:
 ##
 ## @example
 ## @group
-## clock ()
+## fix (clock ())
 ##      @result{} [ 1993, 8, 20, 4, 56, 1 ]
 ## @end group
 ## @end example
 ##
 ## The function clock is more accurate on systems that have the
 ## @code{gettimeofday} function.
+## @seealso{now, date, datevec}
 ## @end deftypefn
 
 ## Author: jwe
--- a/scripts/time/ctime.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/time/ctime.m	Wed Nov 16 14:37:55 2011 -0500
@@ -26,28 +26,29 @@
 ## @example
 ## @group
 ## ctime (time ())
-##      @result{} "Mon Feb 17 01:15:06 1997\n"
+##      @result{} "Mon Feb 17 01:15:06 1997"
 ## @end group
 ## @end example
+## @seealso{asctime, time, localtime}
 ## @end deftypefn
 
 ## Author: jwe
 
 function retval = ctime (t)
 
-  if (nargin == 1)
-    retval = asctime (localtime (t));
-  else
+  if (nargin != 1)
     print_usage ();
   endif
 
+  retval = asctime (localtime (t));
+
 endfunction
 
+
 %!test
 %! t = time ();
 %! assert(strcmp (asctime (localtime (t)), ctime (t)));
 
 %!error ctime ();
-
 %!error ctime (1, 2);
 
--- a/scripts/time/date.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/time/date.m	Wed Nov 16 14:37:55 2011 -0500
@@ -18,15 +18,17 @@
 
 ## -*- texinfo -*-
 ## @deftypefn {Function File} {} date ()
-## Return the date as a character string in the form DD-MMM-YY@.  For
-## example:
+## Return the current date as a character string in the form DD-MMM-YYYY@.
+##
+## For example:
 ##
 ## @example
 ## @group
 ## date ()
-##      @result{} "20-Aug-93"
+##      @result{} "20-Aug-1993"
 ## @end group
 ## @end example
+## @seealso{now, clock, datestr, localtime}
 ## @end deftypefn
 
 ## Author: jwe
--- a/scripts/time/datenum.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/time/datenum.m	Wed Nov 16 14:37:55 2011 -0500
@@ -17,16 +17,32 @@
 ## <http://www.gnu.org/licenses/>.
 
 ## -*- texinfo -*-
-## @deftypefn  {Function File} {} datenum (@var{year}, @var{month}, @var{day})
-## @deftypefnx {Function File} {} datenum (@var{year}, @var{month}, @var{day}, @var{hour})
-## @deftypefnx {Function File} {} datenum (@var{year}, @var{month}, @var{day}, @var{hour}, @var{minute})
-## @deftypefnx {Function File} {} datenum (@var{year}, @var{month}, @var{day}, @var{hour}, @var{minute}, @var{second})
-## @deftypefnx {Function File} {} datenum ("date")
-## @deftypefnx {Function File} {} datenum ("date", @var{p})
-## Return the specified local time as a day number, with Jan 1, 0000
-## being day 1.  By this reckoning, Jan 1, 1970 is day number 719529.
-## The fractional portion, @var{p}, corresponds to the portion of the
-## specified day.
+## @deftypefn  {Function File} {@var{days} =} datenum (@var{datevec})
+## @deftypefnx {Function File} {@var{days} =} datenum (@var{year}, @var{month}, @var{day})
+## @deftypefnx {Function File} {@var{days} =} datenum (@var{year}, @var{month}, @var{day}, @var{hour})
+## @deftypefnx {Function File} {@var{days} =} datenum (@var{year}, @var{month}, @var{day}, @var{hour}, @var{minute})
+## @deftypefnx {Function File} {@var{days} =} datenum (@var{year}, @var{month}, @var{day}, @var{hour}, @var{minute}, @var{second})
+## @deftypefnx {Function File} {@var{days} =} datenum ("datestr")
+## @deftypefnx {Function File} {@var{days} =} datenum ("datestr", @var{p})
+## @deftypefnx {Function File} {[@var{days}, @var{secs}] =} datenum (@dots{})
+## Return the date/time input as a serial day number, with Jan 1, 0000
+## defined as day 1.
+##
+## The integer part, @code{floor (@var{days})} counts the number of
+## complete days in the date input.
+##
+## The fractional part, @code{rem (@var{days}, 1)} corresponds to the time
+## on the given day.
+##
+## The input may be a date vector (see @code{datevec}), 
+## datestr (see @code{datestr}), or directly specified as input.
+##
+## When processing input datestrings, @var{p} is the year at the start of the
+## century to which two-digit years will be referenced.  If not specified, it
+## defaults to the current year minus 50.
+##
+## The optional output @var{secs} holds the time on the specified day with
+## greater precision than @var{days}.
 ##
 ## Notes:
 ##
@@ -52,48 +68,43 @@
 ##
 ## @strong{Caution:} this function does not attempt to handle Julian
 ## calendars so dates before Octave 15, 1582 are wrong by as much
-## as eleven days.  Also be aware that only Roman Catholic countries
+## as eleven days.  Also, be aware that only Roman Catholic countries
 ## adopted the calendar in 1582.  It took until 1924 for it to be
 ## adopted everywhere.  See the Wikipedia entry on the Gregorian
 ## calendar for more details.
 ##
 ## @strong{Warning:} leap seconds are ignored.  A table of leap seconds
 ## is available on the Wikipedia entry for leap seconds.
-## @seealso{date, clock, now, datestr, datevec, calendar, weekday}
+## @seealso{datestr, datevec, now, clock, date}
 ## @end deftypefn
 
 ## Algorithm: Peter Baum (http://vsg.cape.com/~pbaum/date/date0.htm)
 ## Author: pkienzle <pkienzle@users.sf.net>
 
-function [days, secs] = datenum (year, month, day, hour, minute, second)
+function [days, secs] = datenum (year, month = [], day = [], hour = 0, minute = 0, second = 0)
 
   ## Days until start of month assuming year starts March 1.
   persistent monthstart = [306; 337; 0; 31; 61; 92; 122; 153; 184; 214; 245; 275];
 
-  if (nargin == 0 || (nargin > 2  && ischar (year)) || nargin > 6)
+  if (nargin == 0 || nargin > 6 || 
+     (nargin > 2 && (ischar (year) || iscellstr (year))))
     print_usage ();
   endif
-  if (ischar (year))
-    if (nargin < 2)
-      month = [];
-    endif
+
+  if (ischar (year) || iscellstr (year))
     [year, month, day, hour, minute, second] = datevec (year, month);
   else
-    if (nargin < 6) second = 0; endif
-    if (nargin < 5) minute = 0; endif
-    if (nargin < 4) hour = 0; endif
     if (nargin == 1)
       nc = columns (year);
       if (nc > 6 || nc < 3)
         error ("datenum: expected date vector containing [YEAR, MONTH, DAY, HOUR, MINUTE, SECOND]");
       endif
-      second = minute = hour = 0;
       if (nc >= 6) second = year(:,6); endif
       if (nc >= 5) minute = year(:,5); endif
-      if (nc >= 4) hour = year(:,4); endif
-      day = year(:,3);
+      if (nc >= 4) hour   = year(:,4); endif
+      day   = year(:,3);
       month = year(:,2);
-      year = year(:,1);
+      year  = year(:,1);
     endif
   endif
 
@@ -120,30 +131,32 @@
   day += 365*year + floor (year/4) - floor (year/100) + floor (year/400);
 
   ## Add fraction representing current second of the day.
-  days = day + (hour+(minute+second/60)/60)/24;
+  days = day + (hour + (minute + second/60)/60)/24;
 
   ## Output seconds if asked so that etime can be more accurate
-  secs = 86400*day + hour*3600 + minute*60 + second;
+  if (isargout (2))
+    secs = day*86400 + hour*3600 + minute*60 + second;
+  endif
 
 endfunction
 
+
 %!shared part
 %! part = 0.514623842592593;
-%!assert(datenum(2001,5,19), 730990)
-%!assert(datenum([1417,6,12]), 517712)
-%!assert(datenum([2001,5,19;1417,6,12]), [730990;517712])
-%!assert(datenum(2001,5,19,12,21,3.5), 730990+part, eps)
-%!assert(datenum([1417,6,12,12,21,3.5]), 517712+part, eps)
+%!assert (datenum (2001,5,19), 730990)
+%!assert (datenum ([1417,6,12]), 517712)
+%!assert (datenum ([2001,5,19;1417,6,12]), [730990;517712])
+%!assert (datenum (2001,5,19,12,21,3.5), 730990+part, eps)
+%!assert (datenum ([1417,6,12,12,21,3.5]), 517712+part, eps)
 ## Test vector inputs
 %!test
 %! t = [2001,5,19,12,21,3.5; 1417,6,12,12,21,3.5];
 %! n = [730990; 517712] + part;
-%! assert(datenum(t), n, 2*eps);
-## Make sure that the vectors can have either orientation
-%!test
-%! t = [2001,5,19,12,21,3.5; 1417,6,12,12,21,3.5]';
-%! n = [730990 517712] + part;
-%! assert(datenum(t(1,:), t(2,:), t(3,:), t(4,:), t(5,:), t(6,:)), n, 2*eps);
+%! assert (datenum (t), n, 2*eps);
+%! ## Check that vectors can have either orientation
+%! t = t';
+%! n = n';
+%! assert (datenum (t(1,:), t(2,:), t(3,:), t(4,:), t(5,:), t(6,:)), n, 2*eps);
 
 ## Test mixed vectors and scalars
 %!assert (datenum([2008;2009], 1, 1), [datenum(2008, 1, 1);datenum(2009, 1, 1)]);
@@ -159,3 +172,14 @@
 %!assert (datenum([2008 2009], [1 2], 1), [datenum(2008, 1, 1) datenum(2009, 2, 1)]);
 %!assert (datenum([2008 2009], 1, [1 2]), [datenum(2008, 1, 1) datenum(2009, 1, 2)]);
 %!assert (datenum(2008, [1 2], [1 2]), [datenum(2008, 1, 1) datenum(2008, 2, 2)]);
+## Test string and cellstr inputs
+%!assert (datenum ("5/19/2001"), 730990)
+%!assert (datenum ({"5/19/2001"}), 730990)
+%!assert (datenum (char ("5/19/2001", "6/6/1944")), [730990; 710189])
+%!assert (datenum ({"5/19/2001", "6/6/1944"}), [730990; 710189])
+
+%% Test input validation
+%!error datenum ()
+%!error datenum (1,2,3,4,5,6,7)
+%!error datenum ([1, 2])
+%!error datenum ([1,2,3,4,5,6,7])
--- a/scripts/time/datestr.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/time/datestr.m	Wed Nov 16 14:37:55 2011 -0500
@@ -89,6 +89,8 @@
 ## @item      @tab and not padded with zeros otherwise          @tab 9:00 AM
 ## @item MM   @tab Minute of hour (padded with zeros)           @tab 10:05
 ## @item SS   @tab Second of minute (padded with zeros)         @tab 10:05:03
+## @item FFF  @tab Milliseconds of second (padded with zeros)   @tab 10:05:03.012
+## @item AM   @tab Use 12-hour time format                      @tab 11:30 AM
 ## @item PM   @tab Use 12-hour time format                      @tab 11:30 PM
 ## @end multitable
 ##
@@ -98,10 +100,10 @@
 ##
 ## If @var{p} is nor specified, it defaults to the current year minus 50.
 ##
-## If a matrix or cell array of dates is given, a vector of date strings is
-## returned.
+## If a matrix or cell array of dates is given, a column vector of date strings
+## is returned.
 ##
-## @seealso{datenum, datevec, date, clock, now, datetick}
+## @seealso{datenum, datevec, date, now, clock}
 ## @end deftypefn
 
 ## FIXME: parse arbitrary code strings.
@@ -126,22 +128,21 @@
 ## Created: 10 October 2001 (CVS)
 ## Adapted-By: William Poetra Yoga Hadisoeseno <williampoetra@gmail.com>
 
-function retval = datestr (date, f, p)
+function retval = datestr (date, f = [], p = [])
 
-  persistent dateform names_mmmm names_mmm names_m names_dddd names_ddd names_d;
+  persistent dateform names_mmmm names_m names_d;
 
   if (isempty (dateform))
-
     dateform = cell (32, 1);
-    dateform{1} = "dd-mmm-yyyy HH:MM:SS";
-    dateform{2} = "dd-mmm-yyyy";
-    dateform{3} = "mm/dd/yy";
-    dateform{4} = "mmm";
-    dateform{5} = "m";
-    dateform{6} = "mm";
-    dateform{7} = "mm/dd";
-    dateform{8} = "dd";
-    dateform{9} = "ddd";
+    dateform{1}  = "dd-mmm-yyyy HH:MM:SS";
+    dateform{2}  = "dd-mmm-yyyy";
+    dateform{3}  = "mm/dd/yy";
+    dateform{4}  = "mmm";
+    dateform{5}  = "m";
+    dateform{6}  = "mm";
+    dateform{7}  = "mm/dd";
+    dateform{8}  = "dd";
+    dateform{9}  = "ddd";
     dateform{10} = "d";
     dateform{11} = "yyyy";
     dateform{12} = "yy";
@@ -154,68 +155,50 @@
     dateform{19} = "QQ";
     dateform{20} = "dd/mm";
     dateform{21} = "dd/mm/yy";
-    dateform{22} = "mmm.dd.yyyy HH:MM:SS";
-    dateform{23} = "mmm.dd.yyyy";
+    dateform{22} = "mmm.dd,yyyy HH:MM:SS";
+    dateform{23} = "mmm.dd,yyyy";
     dateform{24} = "mm/dd/yyyy";
     dateform{25} = "dd/mm/yyyy";
     dateform{26} = "yy/mm/dd";
     dateform{27} = "yyyy/mm/dd";
     dateform{28} = "QQ-YYYY";
     dateform{29} = "mmmyyyy";
-    dateform{30} = "yyyymmdd";
+    dateform{30} = "yyyy-mm-dd";
     dateform{31} = "yyyymmddTHHMMSS";
     dateform{32} = "yyyy-mm-dd HH:MM:SS";
 
-    names_m = {"J"; "F"; "M"; "A"; "M"; "J"; "J"; "A"; "S"; "O"; "N"; "D"};
-
-    names_d = {"S"; "M"; "T"; "W"; "T"; "F"; "S"};
-
+    names_m = {"J", "F", "M", "A", "M", "J", "J", "A", "S", "O", "N", "D"};
+    names_d = {"S", "M", "T", "W", "T", "F", "S"};
   endif
 
   if (nargin < 1 || nargin > 3)
     print_usage ();
   endif
 
-  if (nargin < 2)
-    f = [];
-  endif
-  if (nargin < 3)
-    p = [];
-  endif
-
-  if (ischar (date))
-    t = date;
-    date = cell (1);
-    date{1} = t;
-  endif
-
-  ## Guess, so we might be wrong.
-  if (iscell (date) || columns (date) != 6)
+  ## Guess input type.  We might be wrong.
+  if (ischar (date) || iscellstr (date) || columns (date) != 6)
     v = datevec (date, p);
   else
     v = [];
     if (columns (date) == 6)
       ## Make sure that the input really is a datevec.
       maxdatevec = [Inf, 12, 31, 23, 59, 60];
-      for i = 1:numel (maxdatevec)
-        if (any (date(:,i) > maxdatevec(i))
-            || (i != 6 && any (floor (date(:,i)) != date(:,i))))
-          v = datevec (date, p);
-          break;
-        endif
-      endfor
+      if (any (max (date, 1) > maxdatevec) ||
+          any (date(:,1:5) != floor (date(:,1:5))))
+        v = datevec (date, p);
+      endif
     endif
     if (isempty (v))
       v = date;
     endif
   endif
 
-  for i = 1:(rows (v))
+  retval = [];
+  for i = 1 : rows (v)
 
-    if (isempty (f) || f == -1)
+    if (isempty (f))
       if (v(i,4:6) == 0)
         f = 1;
-        ## elseif (v(i,1:3) == [0, 1, 1])
       elseif (v(i,1:3) == [-1, 12, 31])
         f = 16;
       else
@@ -230,7 +213,8 @@
     endif
 
     df_orig = df;
-    df = regexprep (df, '[AP]M', "%p");
+    df = strrep (df, 'AM', "%p");
+    df = strrep (df, 'PM', "%p");
     if (strcmp (df, df_orig))
       ## PM not set.
       df = strrep (df, "HH", "%H");
@@ -266,9 +250,11 @@
 
     df = strrep (df, "MM", "%M");
 
-    df = strrep (df, "SS", "%S");
+    df = regexprep (df, '[Ss][Ss]', "%S");
 
-    df = regexprep (df, '[Qq][Qq]', sprintf ("Q%d", fix ((v(i,2) + 2) / 3)));
+    df = strrep (df, "FFF", sprintf ("%03d", 1000 * (v(i,6) - fix (v(i,6)))));
+
+    df = strrep (df, 'QQ', sprintf ("Q%d", fix ((v(i,2) + 2) / 3)));
 
     vi = v(i,:);
     tm.year = vi(1) - 1900;
@@ -278,7 +264,7 @@
     tm.min = vi(5);
     sec = vi(6);
     tm.sec = fix (sec);
-    tm.usec = fix (rem (sec, 1) * 1e6);
+    tm.usec = fix ((sec - tm.sec) * 1e6);
     tm.wday = wday - 1;
     ## FIXME -- Do we need YDAY and DST?  How should they be computed?
     ## We don't want to use "localtime (mktime (tm))" because that
@@ -288,61 +274,64 @@
 
     str = strftime (df, tm);
 
-    if (i == 1)
-      retval = str;
-    else
-      retval = [retval; str];
-    endif
+    retval = [retval; str];
 
   endfor
 
 endfunction
 
-# simple tests
+
+## demos
+%!demo
+%! ## Current date and time in default format
+%! datestr (now ())
+%!demo
+%! ## Current date (integer portion of datenum)
+%! datestr (fix (now ()))
+%!demo
+%! ## Current time (fractional portion of datenum)
+%! datestr (rem (now (), 1))
+
 %!shared testtime
 %! testtime = [2005.0000, 12.0000, 18.0000, 2.0000, 33.0000, 17.3822];
-%!assert(datestr(testtime,0),"18-Dec-2005 02:33:17");
-%!assert(datestr(testtime,1),"18-Dec-2005");
-%!assert(datestr(testtime,2),"12/18/05");
-%!assert(datestr(testtime,3),"Dec");
-%!assert(datestr(testtime,4),"D");
-%!assert(datestr(testtime,5),"12");
-%!assert(datestr(testtime,6),"12/18");
-%!assert(datestr(testtime,7),"18");
-%!assert(datestr(testtime,8),"Sun");
-%!assert(datestr(testtime,9),"S");
-%!assert(datestr(testtime,10),"2005");
-%!assert(datestr(testtime,11),"05");
-%!assert(datestr(testtime,12),"Dec05");
-%!assert(datestr(testtime,13),"02:33:17");
-%!assert(datestr(testtime,14)," 2:33:17 AM");
-%!assert(datestr(testtime,15),"02:33");
-%!assert(datestr(testtime,16)," 2:33 AM");
-%!assert(datestr(testtime,17),"Q4-05");
-%!assert(datestr(testtime,18),"Q4");
-%!assert(datestr(testtime,19),"18/12");
-%!assert(datestr(testtime,20),"18/12/05");
-%!assert(datestr(testtime,21),"Dec.18.2005 02:33:17");
-%!assert(datestr(testtime,22),"Dec.18.2005");
-%!assert(datestr(testtime,23),"12/18/2005");
-%!assert(datestr(testtime,24),"18/12/2005");
-%!assert(datestr(testtime,25),"05/12/18");
-%!assert(datestr(testtime,26),"2005/12/18");
-%!assert(datestr(testtime,27),"Q4-2005");
-%!assert(datestr(testtime,28),"Dec2005");
-%!assert(datestr(testtime,29),"20051218");
-%!assert(datestr(testtime,30),"20051218T023317");
-%!assert(datestr(testtime,31),"2005-12-18 02:33:17");
-%!assert(datestr(testtime+[0 0 3 0 0 0],"dddd"),"Wednesday")
-## avoid the bug where someone happens to give a vector of datenums that
-## happens to be 6 wide
-%!assert(datestr(733452.933:733457.933), ["14-Feb-2008 22:23:31";"15-Feb-2008 22:23:31";"16-Feb-2008 22:23:31";"17-Feb-2008 22:23:31";"18-Feb-2008 22:23:31";"19-Feb-2008 22:23:31"])
-%!assert (datestr ([1944, 6, 6, 6, 30, 0], 0), "06-Jun-1944 06:30:00");
+%!assert (datestr (testtime,0), "18-Dec-2005 02:33:17")
+%!assert (datestr (testtime,1), "18-Dec-2005")
+%!assert (datestr (testtime,2), "12/18/05")
+%!assert (datestr (testtime,3), "Dec")
+%!assert (datestr (testtime,4), "D")
+%!assert (datestr (testtime,5), "12")
+%!assert (datestr (testtime,6), "12/18")
+%!assert (datestr (testtime,7), "18")
+%!assert (datestr (testtime,8), "Sun")
+%!assert (datestr (testtime,9), "S")
+%!assert (datestr (testtime,10), "2005")
+%!assert (datestr (testtime,11), "05")
+%!assert (datestr (testtime,12), "Dec05")
+%!assert (datestr (testtime,13), "02:33:17")
+%!assert (datestr (testtime,14), " 2:33:17 AM")
+%!assert (datestr (testtime,15), "02:33")
+%!assert (datestr (testtime,16), " 2:33 AM")
+%!assert (datestr (testtime,17), "Q4-05")
+%!assert (datestr (testtime,18), "Q4")
+%!assert (datestr (testtime,19), "18/12")
+%!assert (datestr (testtime,20), "18/12/05")
+%!assert (datestr (testtime,21), "Dec.18,2005 02:33:17")
+%!assert (datestr (testtime,22), "Dec.18,2005")
+%!assert (datestr (testtime,23), "12/18/2005")
+%!assert (datestr (testtime,24), "18/12/2005")
+%!assert (datestr (testtime,25), "05/12/18")
+%!assert (datestr (testtime,26), "2005/12/18")
+%!assert (datestr (testtime,27), "Q4-2005")
+%!assert (datestr (testtime,28), "Dec2005")
+%!assert (datestr (testtime,29), "2005-12-18")
+%!assert (datestr (testtime,30), "20051218T023317")
+%!assert (datestr (testtime,31), "2005-12-18 02:33:17")
+%!assert (datestr (testtime+[0 0 3 0 0 0], "dddd"), "Wednesday")
+## Test possible bug where input is a vector of datenums that is exactly 6 wide
+%!assert (datestr ([1944, 6, 6, 6, 30, 0], 0), "06-Jun-1944 06:30:00")
+## Test fractional millisecond time extension
+%!assert (datestr (testtime, "HH:MM:SS:FFF"), "02:33:17:382")
 
-# demos
-%!demo
-%! datestr (now ())
-%!demo
-%! datestr (rem (now (), 1))
-%!demo
-%! datestr (floor (now ()))
+%% Test input validation
+%!error datestr ()
+%!error datestr (1, 2, 3, 4)
--- a/scripts/time/datevec.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/time/datevec.m	Wed Nov 16 14:37:55 2011 -0500
@@ -31,10 +31,10 @@
 ## @var{f} is the format string used to interpret date strings
 ## (see @code{datestr}).
 ##
-## @var{p} is the year at the start of the century in which two-digit years
-## are to be interpreted in.  If not specified, it defaults to the current
-## year minus 50.
-## @seealso{datenum, datestr, date, clock, now}
+## @var{p} is the year at the start of the century to which two-digit years
+## will be referenced.  If not specified, it defaults to the current year
+## minus 50.
+## @seealso{datenum, datestr, clock, now, date}
 ## @end deftypefn
 
 ## Algorithm: Peter Baum (http://vsg.cape.com/~pbaum/date/date0.htm)
@@ -46,13 +46,15 @@
 
 ## The function __date_str2vec__ is based on datesplit by Bill Denney.
 
-function [y, m, d, h, mi, s] = datevec (date, varargin)
+function [y, m, d, h, mi, s] = datevec (date, f = [], p = [])
 
   persistent std_formats nfmt;
 
   if (isempty (std_formats))
     std_formats = cell ();
     nfmt = 0;
+    ## These formats are specified by Matlab to be parsed
+    ## The '# XX' refers to the datestr numerical format code
     std_formats{++nfmt} = "dd-mmm-yyyy HH:MM:SS";   # 0
     std_formats{++nfmt} = "dd-mmm-yyyy";            # 1
     std_formats{++nfmt} = "mm/dd/yy";               # 2
@@ -62,6 +64,8 @@
     std_formats{++nfmt} = "HH:MM";                  # 15
     std_formats{++nfmt} = "HH:MM PM";               # 16
     std_formats{++nfmt} = "mm/dd/yyyy";             # 23
+
+    ## These are other formats that Octave tries
     std_formats{++nfmt} = "mmm-dd-yyyy HH:MM:SS";
     std_formats{++nfmt} = "mmm-dd-yyyy";
     std_formats{++nfmt} = "dd mmm yyyy HH:MM:SS";
@@ -72,8 +76,6 @@
     std_formats{++nfmt} = "dd.mmm.yyyy";
     std_formats{++nfmt} = "mmm.dd.yyyy HH:MM:SS";
     std_formats{++nfmt} = "mmm.dd.yyyy";
-
-    ## Custom formats.
     std_formats{++nfmt} = "mmmyy";                  # 12
     std_formats{++nfmt} = "mm/dd/yyyy HH:MM";
   endif
@@ -82,22 +84,14 @@
     print_usage ();
   endif
 
-  switch (nargin)
-  case 1
+  if (ischar (date))
+    date = cellstr (date);
+  endif
+
+  if (isnumeric (f))
+    p = f;
     f = [];
-    p = [];
-  case 2
-    if (ischar (varargin{1}))
-      f = varargin{1};
-      p = [];
-    else
-      f = [];
-      p = varargin{1};
-    endif
-  case 3
-      f = varargin{1};
-      p = varargin{2};
-  endswitch
+  endif
 
   if (isempty (f))
     f = -1;
@@ -107,10 +101,6 @@
     p = (localtime (time ())).year + 1900 - 50;
   endif
 
-  if (ischar (date))
-    date = cellstr (date);
-  endif
-
   if (iscell (date))
 
     nd = numel (date);
@@ -132,7 +122,7 @@
         endif
       endfor
     else
-      ## Decipher the format string just once for sake of speed.
+      ## Decipher the format string just once for speed.
       [f, rY, ry, fy, fm, fd, fh, fmi, fs] = __date_vfmt2sfmt__ (f);
       for k = 1:nd
         [found y(k) m(k) d(k) h(k) mi(k) s(k)] = __date_str2vec__ (date{k}, p, f, rY, ry, fy, fm, fd, fh, fmi, fs);
@@ -142,7 +132,7 @@
       endfor
     endif
 
-  else
+  else   # datenum input
 
     date = date(:);
 
@@ -187,38 +177,7 @@
 function [f, rY, ry, fy, fm, fd, fh, fmi, fs] = __date_vfmt2sfmt__ (f)
 
   ## Play safe with percent signs.
-  f = strrep(f, "%", "%%");
-
-  ## Dates to lowercase (note: we cannot convert MM to mm).
-  f = strrep (f, "YYYY", "yyyy");
-  f = strrep (f, "YY", "yy");
-  f = strrep (f, "QQ", "qq");
-  f = strrep (f, "MMMM", "mmmm");
-  f = strrep (f, "MMM", "mmm");
-  f = strrep (f, "DDDD", "dddd");
-  f = strrep (f, "DDD", "ddd");
-  f = strrep (f, "DD", "dd");
-  ## Times to uppercase (also cannot convert mm to MM).
-  f = strrep (f, "hh", "HH");
-  f = strrep (f, "ss", "SS");
-  f = strrep (f, "pm", "PM");
-  f = strrep (f, "am", "AM");
-
-  ## Right now, the format string may only contain these tokens:
-  ##
-  ## yyyy   4 digit year
-  ## yy     2 digit year
-  ## mmmm   month name, full
-  ## mmm    month name, abbreviated
-  ## mm     month number
-  ## dddd   weekday name, full
-  ## ddd    weekday name, abbreviated
-  ## dd     date
-  ## HH     hour
-  ## MM     minutes
-  ## SS     seconds
-  ## PM     AM/PM
-  ## AM     AM/PM
+  f = strrep (f, "%", "%%");
 
   if (! isempty (strfind (f, "PM")) || ! isempty (strfind (f, "AM")))
     ampm = true;
@@ -227,14 +186,14 @@
   endif
 
   ## Date part.
-  f = strrep (f, "yyyy", "%Y");
-  f = strrep (f, "yy", "%y");
+  f = regexprep (f, '[Yy][Yy][Yy][Yy]', "%Y");
+  f = regexprep (f, '[Yy][Yy]', "%y");
   f = strrep (f, "mmmm", "%B");
   f = strrep (f, "mmm", "%b");
   f = strrep (f, "mm", "%m");
-  f = strrep (f, "dddd", "%A");
-  f = strrep (f, "ddd", "%a");
-  f = strrep (f, "dd", "%d");
+  f = regexprep (f, '[Dd][Dd][Dd][Dd]', "%A");
+  f = regexprep (f, '[Dd][Dd][Dd]', "%a");
+  f = regexprep (f, '[Dd][Dd]', "%d");
 
   ## Time part.
   if (ampm)
@@ -245,7 +204,7 @@
     f = strrep (f, "HH", "%H");
   endif
   f = strrep (f, "MM", "%M");
-  f = strrep (f, "SS", "%S");
+  f = regexprep (f, '[Ss][Ss]', "%S");
 
   rY = rindex (f, "%Y");
   ry = rindex (f, "%y");
@@ -263,12 +222,25 @@
 
 function [found, y, m, d, h, mi, s] = __date_str2vec__ (ds, p, f, rY, ry, fy, fm, fd, fh, fmi, fs)
 
-  [tm, nc] = strptime (ds, f);
-
-  if (nc == size (ds, 2) + 1)
+  idx = strfind (f, "FFF");
+  if (! isempty (idx)) 
+    ## Kludge to handle FFF millisecond format since strptime does not
+    f(idx:idx+2) = []; 
+    [~, nc] = strptime (ds, f);
+    if (nc > 0)
+      msec = ds(nc:min(nc+2, end)); 
+      f = [f(1:idx-1) msec f(idx:end)]; 
+      [tm, nc] = strptime (ds, f);
+      tm.usec = 1000 * str2double (msec);
+    endif
+  else
+    [tm, nc] = strptime (ds, f);
+  endif
+  
+  if (nc == columns (ds) + 1)
+    found = true;
     y = tm.year + 1900; m = tm.mon + 1; d = tm.mday;
     h = tm.hour; mi = tm.min; s = tm.sec + tm.usec / 1e6;
-    found = true;
     if (rY < ry)
       if (y > 1999)
         y -= 2000;
@@ -289,7 +261,6 @@
       tmp = localtime (time ());
       y = tmp.year + 1900;
     elseif (fy && fm && ! fd)
-      tmp = localtime (time ());
       d = 1;
     endif
     if (! fh && ! fmi && ! fs)
@@ -304,23 +275,30 @@
 
 endfunction
 
+
+%!demo
+%! ## Current date and time
+%! datevec (now ())
+
 %!shared nowvec
 %! nowvec = datevec (now); # Some tests could fail around midnight!
-# tests for standard formats: 0, 1, 2, 6, 13, 14, 15, 16, 23
-%!assert(datevec("07-Sep-2000 15:38:09"),[2000,9,7,15,38,9]);
-%!assert(datevec("07-Sep-2000"),[2000,9,7,0,0,0]);
-%!assert(datevec("09/07/00"),[2000,9,7,0,0,0]);
-%!assert(datevec("09/13"),[nowvec(1),9,13,0,0,0]);
-%!assert(datevec("15:38:09"),[nowvec(1:3),15,38,9]);
-%!assert(datevec("3:38:09 PM"),[nowvec(1:3),15,38,9]);
-%!assert(datevec("15:38"),[nowvec(1:3),15,38,0]);
-%!assert(datevec("03:38 PM"),[nowvec(1:3),15,38,0]);
-%!assert(datevec("03/13/1962"),[1962,3,13,0,0,0]);
-# other tests
-%!assert(all(datenum(datevec([-1e4:1e4]))==[-1e4:1e4]'))
+%!# tests for standard formats: 0, 1, 2, 6, 13, 14, 15, 16, 23
+%!assert (datevec ("07-Sep-2000 15:38:09"), [2000,9,7,15,38,9])
+%!assert (datevec ("07-Sep-2000"), [2000,9,7,0,0,0])
+%!assert (datevec ("09/07/00"), [2000,9,7,0,0,0])
+%!assert (datevec ("09/13"), [nowvec(1),9,13,0,0,0])
+%!assert (datevec ("15:38:09"), [nowvec(1:3),15,38,9])
+%!assert (datevec ("3:38:09 PM"), [nowvec(1:3),15,38,9])
+%!assert (datevec ("15:38"), [nowvec(1:3),15,38,0])
+%!assert (datevec ("03:38 PM"), [nowvec(1:3),15,38,0])
+%!assert (datevec ("03/13/1962"), [1962,3,13,0,0,0])
+
+%% Test millisecond format FFF
+%!assert (datevec ("15:38:21.25", "HH:MM:SS.FFF"), [nowvec(1:3),15,38,21.025])
+
+# Other tests
+%!assert (datenum (datevec ([-1e4:1e4])), [-1e4:1e4]')
 %!test
 %! t = linspace (-2e5, 2e5, 10993);
 %! assert (all (abs (datenum (datevec (t)) - t') < 1e-5));
-# demos
-%!demo
-%! datevec (now ())
+
--- a/scripts/time/eomday.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/time/eomday.m	Wed Nov 16 14:37:55 2011 -0500
@@ -19,7 +19,7 @@
 ## -*- texinfo -*-
 ## @deftypefn {Function File} {@var{e} =} eomday (@var{y}, @var{m})
 ## Return the last day of the month @var{m} for the year @var{y}.
-## @seealso{datenum, datevec, weekday}
+## @seealso{weekday, datenum, datevec, is_leap_year, calendar}
 ## @end deftypefn
 
 ## Author: pkienzle <pkienzle@users.sf.net>
@@ -38,20 +38,28 @@
 
 endfunction
 
+
+%!demo
+%! ## Find leap years in the 20th century
+%! y = 1900:1999;
+%! e = eomday (y, repmat (2, [1, 100]));
+%! y(find (e == 29))
+
 # tests
-%!assert(eomday([-4:4],2),[29,28,28,28,29,28,28,28,29])
-%!assert(eomday([-901,901],2),[28,28])
-%!assert(eomday([-100,100],2),[28,28])
-%!assert(eomday([-900,900],2),[28,28])
-%!assert(eomday([-400,400],2),[29,29])
-%!assert(eomday([-800,800],2),[29,29])
-%!assert(eomday(2001,1:12),[31,28,31,30,31,30,31,31,30,31,30,31])
-%!assert(eomday(1:3,1:3),[31,28,31])
-%!assert(eomday(1:2000,2)',datevec(datenum(1:2000,3,0))(:,3))
-%!assert([1900:1999](find(eomday(1900:1999,2*ones(1,100))==29)),[1904,1908,1912,1916,1920,1924,1928,1932,1936,1940,1944,1948,1952,1956,1960,1964,1968,1972,1976,1980,1984,1988,1992,1996])
-%!assert(eomday([2004;2005], [2;2]), [29;28])
-# demos
-%!demo
-%! y = 1900:1999;
-%! e = eomday (y, 2 * ones (1, 100));
-%! y (find (e == 29))
+%!assert (eomday ([-4:4],2), [29,28,28,28,29,28,28,28,29])
+%!assert (eomday ([-901,901],2), [28,28])
+%!assert (eomday ([-100,100],2), [28,28])
+%!assert (eomday ([-900,900],2), [28,28])
+%!assert (eomday ([-400,400],2), [29,29])
+%!assert (eomday ([-800,800],2), [29,29])
+%!assert (eomday (2001,1:12), [31,28,31,30,31,30,31,31,30,31,30,31])
+%!assert (eomday (1:3,1:3), [31,28,31])
+%!assert (eomday (1:2000,2)', datevec(datenum(1:2000,3,0))(:,3))
+%!assert ([1900:1999](find(eomday(1900:1999,2*ones(1,100))==29)), [1904,1908,1912,1916,1920,1924,1928,1932,1936,1940,1944,1948,1952,1956,1960,1964,1968,1972,1976,1980,1984,1988,1992,1996])
+%!assert (eomday ([2004;2005], [2;2]), [29;28])
+
+%% Test input validation
+%!error eomday ()
+%!error eomday (1)
+%!error eomday (1,2,3)
+
--- a/scripts/time/etime.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/time/etime.m	Wed Nov 16 14:37:55 2011 -0500
@@ -32,7 +32,7 @@
 ## @noindent
 ## will set the variable @code{elapsed_time} to the number of seconds since
 ## the variable @code{t0} was set.
-## @seealso{tic, toc, clock, cputime}
+## @seealso{tic, toc, clock, cputime, addtodate}
 ## @end deftypefn
 
 ## Author: jwe
@@ -50,14 +50,15 @@
 
 endfunction
 
-%!assert(etime([1900,12,31,23,59,59],[1901,1,1,0,0,0]),-1)
-%!assert(etime([1900,2,28,23,59,59],[1900,3,1,0,0,0]),-1)
-%!assert(etime([2000,2,28,23,59,59],[2000,3,1,0,0,0]),-86401)
-%!assert(etime([1996,2,28,23,59,59],[1996,3,1,0,0,0]),-86401)
+
+%!assert (etime ([1900,12,31,23,59,59],[1901,1,1,0,0,0]),-1)
+%!assert (etime ([1900,2,28,23,59,59],[1900,3,1,0,0,0]),-1)
+%!assert (etime ([2000,2,28,23,59,59],[2000,3,1,0,0,0]),-86401)
+%!assert (etime ([1996,2,28,23,59,59],[1996,3,1,0,0,0]),-86401)
 %!test
-%!  t1 = [1900,12,31,23,59,59; 1900,2,28,23,59,59];
-%!  t2 = [1901,1,1,0,0,0; 1900,3,1,0,0,0];
-%!  assert(etime(t2, t1), [1;1]);
+%! t1 = [1900,12,31,23,59,59; 1900,2,28,23,59,59];
+%! t2 = [1901,1,1,0,0,0; 1900,3,1,0,0,0];
+%! assert(etime(t2, t1), [1;1]);
 
 %!test
 %! t1 = [1993, 8, 20, 4, 56, 1];
@@ -66,10 +67,13 @@
 %! t4 = [1993, 8, 20, 4, 57, 1];
 %! t5 = [1993, 8, 20, 4, 56, 14];
 %!
-%! assert((etime (t2, t1) == 86400 && etime (t3, t1) == 3600
-%! && etime (t4, t1) == 60 && etime (t5, t1) == 13));
+%! assert (etime (t2, t1), 86400);
+%! assert (etime (t3, t1), 3600);
+%! assert (etime (t4, t1), 60);
+%! assert (etime (t5, t1), 13);
 
+%% Test input validation
 %!error etime ();
-
+%!error etime (1);
 %!error etime (1, 2, 3);
 
--- a/scripts/time/is_leap_year.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/time/is_leap_year.m	Wed Nov 16 14:37:55 2011 -0500
@@ -19,8 +19,8 @@
 ## -*- texinfo -*-
 ## @deftypefn  {Function File} {} is_leap_year ()
 ## @deftypefnx {Function File} {} is_leap_year (@var{year})
-## Return true if the given year is a leap year and false otherwise.  If no
-## year is provided, @code{is_leap_year} will use the current year.
+## Return true if @var{year} is a leap year and false otherwise.  If no
+## year is specified, @code{is_leap_year} uses the current year.
 ## For example:
 ##
 ## @example
@@ -29,6 +29,7 @@
 ##      @result{} 1
 ## @end group
 ## @end example
+## @seealso{weekday, eomday, calendar}
 ## @end deftypefn
 
 ## Author: jwe
@@ -41,17 +42,19 @@
 
   if (nargin == 0)
     t = clock ();
-    year = t (1);
+    year = t(1);
   endif
 
-  retval = ((rem (year, 4) == 0 & rem (year, 100) != 0) ...
-            | rem (year, 400) == 0);
+  retval = (rem (year, 4) == 0 & rem (year, 100) != 0) | (rem (year, 400) == 0);
 
 endfunction
 
-%!assert((is_leap_year (2000) == 1 && is_leap_year (1976) == 1
-%! && is_leap_year (1000) == 0 && is_leap_year (1800) == 0
-%! && is_leap_year (1600) == 1));
+
+%!assert (is_leap_year (2000), true)
+%!assert (is_leap_year (1976), true)
+%!assert (is_leap_year (1000), false)
+%!assert (is_leap_year (1800), false)
+%!assert (is_leap_year (1600), true)
 
 %!error is_leap_year (1, 2);
 
--- a/scripts/time/now.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/time/now.m	Wed Nov 16 14:37:55 2011 -0500
@@ -18,16 +18,14 @@
 
 ## -*- texinfo -*-
 ## @deftypefn {Function File} {t =} now ()
-## Return the current local time as the number of days since Jan 1, 0000.
-## By this reckoning, Jan 1, 1970 is day number 719529.
+## Return the current local date/time as a serial day number
+## (see @code{datenum}).
 ##
-## The integral part, @code{floor (now)} corresponds to 00:00:00 today.
+## The integral part, @code{floor (now)} corresponds to the number of days
+## between today and Jan 1, 0000.
 ##
 ## The fractional part, @code{rem (now, 1)} corresponds to the current
-## time on Jan 1, 0000.
-##
-## The returned value is also called a "serial date number"
-## (see @code{datenum}).
+## time.
 ## @seealso{clock, date, datenum}
 ## @end deftypefn
 
@@ -37,12 +35,12 @@
 
 function t = now ()
 
-  if (nargin == 0)
-    t = datenum (clock ());
-  else
+  if (nargin != 0)
     print_usage ();
   endif
 
+  t = datenum (clock ());
+
   ## The following doesn't work (e.g., one hour off on 2005-10-04):
   ##
   ##   seconds since 1970-1-1 corrected by seconds from GMT to local time
@@ -55,7 +53,9 @@
 
 endfunction
 
-%!error now (1);
+
 %!assert (isnumeric (now ()));
 %!assert (now () > 0);
 %!assert (now () <= now ());
+
+%!error now (1);
--- a/scripts/time/weekday.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/scripts/time/weekday.m	Wed Nov 16 14:37:55 2011 -0500
@@ -19,49 +19,58 @@
 ## -*- texinfo -*-
 ## @deftypefn  {Function File} {[@var{n}, @var{s}] =} weekday (@var{d})
 ## @deftypefnx {Function File} {[@var{n}, @var{s}] =} weekday (@var{d}, @var{format})
-## Return the day of week as a number in @var{n} and a string in @var{s},
-## for example @code{[1, "Sun"]}, @code{[2, "Mon"]}, @dots{}, or
-## @code{[7, "Sat"]}.
+## Return the day of the week as a number in @var{n} and as a string in @var{s}.
+## The days of the week are numbered 1--7 with the first day being Sunday.
 ##
 ## @var{d} is a serial date number or a date string.
 ##
-## If the string @var{format} is given and is @code{"long"}, @var{s} will
-## contain the full name of the weekday; otherwise (or if @var{format} is
-## @code{"short"}), @var{s} will contain the abbreviated name of the weekday.
-## @seealso{datenum, datevec, eomday}
+## If the string @var{format} is not present or is equal to "short" then
+## @var{s} will contain the abbreviated name of the weekday.  If @var{format}
+## is "long" then @var{s} will contain the full name.
+##
+## Table of return values based on @var{format}:
+##
+## @multitable @columnfractions .06 .13 .13
+## @headitem @var{n} @tab "short" @tab "long"
+## @item 1 @tab Sun @tab Sunday
+## @item 2 @tab Mon @tab Monday
+## @item 3 @tab Tue @tab Tuesday
+## @item 4 @tab Wed @tab Wednesday
+## @item 5 @tab Thu @tab Thursday
+## @item 6 @tab Fri @tab Friday
+## @item 7 @tab Sat @tab Saturday
+## @end multitable
+## 
+## @seealso{eomday, is_leap_year, calendar, datenum, datevec}
 ## @end deftypefn
 
 ## Author: pkienzle <pkienzle@users.sf.net>
 ## Created: 10 October 2001 (CVS)
 ## Adapted-By: William Poetra Yoga Hadisoeseno <williampoetra@gmail.com>
 
-function [d, s] = weekday (d, format)
+function [d, s] = weekday (d, format = "short")
 
   if (nargin < 1 || nargin > 2)
     print_usage ();
   endif
 
-  if (nargin < 2)
-    format = "short";
-  endif
-
-  if (iscell (d) || isnumeric (d))
+  if (iscellstr (d) || isnumeric (d))
     endsize = size (d);
   elseif (ischar (d))
-    endsize = [size(d, 1), 1];
+    endsize = [rows(d), 1];
   endif
-  if (ischar (d) || iscell (d))
+  if (ischar (d) || iscellstr (d))
     ## Make sure the date is numeric
     d = datenum (d);
   endif
   ## Find the offset from a known Sunday (2008-Jan-6), mod 7.
-  d = floor (reshape (mod(d - 733048, 7), endsize));
+  d = floor (reshape (mod (d - 733048, 7), endsize));
   ## Make Saturdays a 7 and not a 0.
   d(!d) = 7;
 
-  if (nargout > 1)
+  if (isargout (2))
     if (strcmpi (format, "long"))
-      names = {"Sunday" "Monday" "Tuesday" "Wednesday" "Thursday" \
+      names = {"Sunday" "Monday" "Tuesday" "Wednesday" "Thursday" ...
                "Friday" "Saturday"};
     else
       names = {"Sun" "Mon" "Tue" "Wed" "Thu" "Fri" "Sat"};
@@ -71,41 +80,45 @@
 
 endfunction
 
+
+%!demo
+%! ## Current weekday
+%! [n, s] = weekday (now ())
+%!demo
+%! ## Weekday from datenum input
+%! [n, s] = weekday (728647)
+%!demo
+%! ## Weekday of new millennium from datestr input
+%! [n, s] = weekday ('1-Jan-2000')
+
 # tests
-%!assert(weekday(728647),2)
+%!assert (weekday (728647), 2)
 ## Test vector inputs for both directions
-%!assert(weekday([728647 728648]), [2 3])
-%!assert(weekday([728647;728648]), [2;3])
+%!assert (weekday ([728647 728648]), [2 3])
+%!assert (weekday ([728647;728648]), [2;3])
 ## Test a full week before our reference day
-%!assert(weekday('19-Dec-1994'),2)
-%!assert(weekday('20-Dec-1994'),3)
-%!assert(weekday('21-Dec-1994'),4)
-%!assert(weekday('22-Dec-1994'),5)
-%!assert(weekday('23-Dec-1994'),6)
-%!assert(weekday('24-Dec-1994'),7)
-%!assert(weekday('25-Dec-1994'),1)
+%!assert (weekday ("19-Dec-1994"), 2)
+%!assert (weekday ("20-Dec-1994"), 3)
+%!assert (weekday ("21-Dec-1994"), 4)
+%!assert (weekday ("22-Dec-1994"), 5)
+%!assert (weekday ("23-Dec-1994"), 6)
+%!assert (weekday ("24-Dec-1994"), 7)
+%!assert (weekday ("25-Dec-1994"), 1)
 ## Test our reference day
-%!assert(weekday('6-Jan-2008'),1)
+%!assert (weekday ("6-Jan-2008"), 1)
 ## Test a full week after our reference day
-%!assert(weekday('1-Feb-2008'),6)
-%!assert(weekday('2-Feb-2008'),7)
-%!assert(weekday('3-Feb-2008'),1)
-%!assert(weekday('4-Feb-2008'),2)
-%!assert(weekday('5-Feb-2008'),3)
-%!assert(weekday('6-Feb-2008'),4)
-%!assert(weekday('7-Feb-2008'),5)
+%!assert (weekday ("1-Feb-2008"), 6)
+%!assert (weekday ("2-Feb-2008"), 7)
+%!assert (weekday ("3-Feb-2008"), 1)
+%!assert (weekday ("4-Feb-2008"), 2)
+%!assert (weekday ("5-Feb-2008"), 3)
+%!assert (weekday ("6-Feb-2008"), 4)
+%!assert (weekday ("7-Feb-2008"), 5)
 ## Test fractional dates
-%!assert(weekday(728647.1),2)
+%!assert (weekday (728647.1), 2)
 ## Test "long" option
 %!test
-%! [a, b] = weekday ("25-Dec-1994", "long");
-%! assert (a, 1);
-%! assert (b, "Sunday");
+%! [n, s] = weekday ("25-Dec-1994", "long");
+%! assert (n, 1);
+%! assert (s, "Sunday");
 
-# demos
-%!demo
-%! [n, s] = weekday (now ())
-%!demo
-%! [n, s] = weekday (728647)
-%!demo
-%! [n, s] = weekday ('19-Dec-1994')
--- a/src/DLD-FUNCTIONS/__init_fltk__.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/src/DLD-FUNCTIONS/__init_fltk__.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -134,6 +134,19 @@
     redraw ();
   }
 
+  bool renumber (double new_number)
+  {
+    bool retval = false;
+
+    if (number != new_number)
+      {
+        number = new_number;
+        retval = true;
+      }
+
+    return retval;
+  }
+
 private:
   double number;
   opengl_renderer renderer;
@@ -263,7 +276,7 @@
       int n = 0;
       for (int t = 0; t < len; t++ )
         {
-          const Fl_Menu_Item *m = static_cast<const Fl_Menu_Item*>(&(menubar->menu ()[t]));
+          const Fl_Menu_Item *m = static_cast<const Fl_Menu_Item*> (&(menubar->menu ()[t]));
           if ((m->label () != NULL) && m->visible ())
             n++;
         }
@@ -286,7 +299,7 @@
       return menubar->visible ();
     }
 
-  int find_index_by_name (std::string findname)
+  int find_index_by_name (const std::string& findname)
     {
       // This function is derived from Greg Ercolano's function
       // int GetIndexByName(...), see:
@@ -297,7 +310,7 @@
       std::string menupath;
       for (int t = 0; t < menubar->size (); t++ )
         {
-          Fl_Menu_Item *m = const_cast<Fl_Menu_Item*>(&(menubar->menu ()[t]));
+          Fl_Menu_Item *m = const_cast<Fl_Menu_Item*> (&(menubar->menu ()[t]));
           if (m->submenu ())
             {
               // item has submenu
@@ -358,7 +371,7 @@
       {
         graphics_object kidgo = gh_manager::get_object (uimenu_childs (ii));
 
-        if (kidgo.valid_object() && kidgo.isa ("uimenu"))
+        if (kidgo.valid_object () && kidgo.isa ("uimenu"))
           {
             uimenu_childs(k) = uimenu_childs(ii);
             pos(k++) =
@@ -378,7 +391,7 @@
       return retval;
     }
 
-  void delete_entry(uimenu::properties& uimenup)
+  void delete_entry (uimenu::properties& uimenup)
     {
       std::string fltk_label = uimenup.get_fltk_label ();
       int idx = find_index_by_name (fltk_label.c_str ());
@@ -392,7 +405,7 @@
       std::string fltk_label = uimenup.get_fltk_label ();
       if (!fltk_label.empty ())
         {
-          Fl_Menu_Item* item = const_cast<Fl_Menu_Item*>(menubar->find_item (fltk_label.c_str ()));
+          Fl_Menu_Item* item = const_cast<Fl_Menu_Item*> (menubar->find_item (fltk_label.c_str ()));
           if (item != NULL)
             {
               std::string acc = uimenup.get_accelerator ();
@@ -410,14 +423,14 @@
       std::string fltk_label = uimenup.get_fltk_label ();
       if (!fltk_label.empty ())
         {
-          Fl_Menu_Item* item = const_cast<Fl_Menu_Item*>(menubar->find_item (fltk_label.c_str ()));
+          Fl_Menu_Item* item = const_cast<Fl_Menu_Item*> (menubar->find_item (fltk_label.c_str ()));
           if (item != NULL)
             {
               if (!uimenup.get_callback ().is_empty ())
-                item->callback(static_cast<Fl_Callback*>(script_cb), //callback
-                              static_cast<void*>(&uimenup));        //callback data
+                item->callback (static_cast<Fl_Callback*> (script_cb),
+                                static_cast<void*> (&uimenup));
               else
-                item->callback(NULL, static_cast<void*>(0));
+                item->callback (NULL, static_cast<void*> (0));
             }
         }
     }
@@ -427,7 +440,7 @@
       std::string fltk_label = uimenup.get_fltk_label ();
       if (!fltk_label.empty ())
         {
-          Fl_Menu_Item* item = const_cast<Fl_Menu_Item*>(menubar->find_item (fltk_label.c_str ()));
+          Fl_Menu_Item* item = const_cast<Fl_Menu_Item*> (menubar->find_item (fltk_label.c_str ()));
           if (item != NULL)
             {
               if (uimenup.is_enable ())
@@ -443,7 +456,7 @@
       std::string fltk_label = uimenup.get_fltk_label ();
       if (!fltk_label.empty ())
         {
-          Fl_Menu_Item* item = const_cast<Fl_Menu_Item*>(menubar->find_item (fltk_label.c_str ()));
+          Fl_Menu_Item* item = const_cast<Fl_Menu_Item*> (menubar->find_item (fltk_label.c_str ()));
           if (item != NULL)
             {
               Matrix rgb = uimenup.get_foregroundcolor_rgb ();
@@ -457,7 +470,7 @@
         }
     }
 
-  void update_seperator (uimenu::properties& uimenup)
+  void update_seperator (const uimenu::properties& uimenup)
     {
       // Matlab places the separator before the current
       // menu entry, while fltk places it after. So we need to find
@@ -466,17 +479,17 @@
       if (!fltk_label.empty ())
         {
           int itemflags = 0, idx;
-          int curr_idx = find_index_by_name(fltk_label.c_str ());
+          int curr_idx = find_index_by_name (fltk_label.c_str ());
 
           for (idx = curr_idx - 1; idx >= 0; idx--)
             {
-              Fl_Menu_Item* item = const_cast<Fl_Menu_Item*>(&menubar->menu () [idx]);
+              Fl_Menu_Item* item = const_cast<Fl_Menu_Item*> (&menubar->menu () [idx]);
               itemflags = item->flags;
               if (item->label () != NULL)
                 break;
             }
 
-          if ((idx >= 0) && (idx < menubar->size ()))
+          if (idx >= 0 && idx < menubar->size ())
             {
               if (uimenup.is_separator ())
                 {
@@ -494,7 +507,8 @@
       std::string fltk_label = uimenup.get_fltk_label ();
       if (!fltk_label.empty ())
         {
-          Fl_Menu_Item* item = const_cast<Fl_Menu_Item*>(menubar->find_item (fltk_label.c_str ()));
+          Fl_Menu_Item* item
+            = const_cast<Fl_Menu_Item*> (menubar->find_item (fltk_label.c_str ()));
           if (item != NULL)
             {
               if (uimenup.is_visible ())
@@ -515,7 +529,8 @@
           bool item_added = false;
           do
             {
-              const Fl_Menu_Item* item = menubar->find_item(fltk_label.c_str ());
+              const Fl_Menu_Item* item
+                = menubar->find_item (fltk_label.c_str ());
 
               if (item == NULL)
                 {
@@ -524,9 +539,9 @@
                   int flags = 0;
                   if (len > 0)
                     flags = FL_SUBMENU;
-                  if ((len == 0) && (uimenup.is_checked ()))
+                  if (len == 0 && uimenup.is_checked ())
                     flags += FL_MENU_TOGGLE + FL_MENU_VALUE;
-                  menubar->add(fltk_label.c_str (), 0, 0, 0, flags);
+                  menubar->add (fltk_label.c_str (), 0, 0, 0, flags);
                   item_added = true;
                 }
               else
@@ -539,9 +554,9 @@
                   if (len > 0)
                     {
                       std::string valstr = fltk_label.substr (idx1 + 1, len - 1);
-                      fltk_label.erase(idx1, len + 1);
+                      fltk_label.erase (idx1, len + 1);
                       val = atoi (valstr.c_str ());
-                      if ((val > 0) && (val < 99))
+                      if (val > 0 && val < 99)
                         val++;
                     }
                   std::ostringstream valstream;
@@ -573,7 +588,7 @@
           graphics_object kgo = gh_manager::get_object (kids (len - (ii + 1)));
           if (kgo.valid_object ())
             {
-              uimenu::properties& kprop = dynamic_cast<uimenu::properties&>(kgo.get_properties ());
+              uimenu::properties& kprop = dynamic_cast<uimenu::properties&> (kgo.get_properties ());
               add_to_menu (kprop);
             }
         }
@@ -590,7 +605,7 @@
 
           if (kgo.valid_object ())
             {
-              uimenu::properties& kprop = dynamic_cast<uimenu::properties&>(kgo.get_properties ());
+              uimenu::properties& kprop = dynamic_cast<uimenu::properties&> (kgo.get_properties ());
               add_to_menu (kprop);
             }
         }
@@ -610,18 +625,18 @@
 
           if (kgo.valid_object ())
             {
-              uimenu::properties kprop = dynamic_cast<uimenu::properties&>(kgo.get_properties ());
+              uimenu::properties kprop = dynamic_cast<uimenu::properties&> (kgo.get_properties ());
               remove_from_menu (kprop);
             }
         }
 
-      if (type.compare("uimenu") == 0)
-        delete_entry(dynamic_cast<uimenu::properties&>(prop));
-      else if (type.compare("figure") == 0)
+      if (type.compare ("uimenu") == 0)
+        delete_entry (dynamic_cast<uimenu::properties&> (prop));
+      else if (type.compare ("figure") == 0)
         menubar->clear ();
     }
 
-  ~fltk_uimenu()
+  ~fltk_uimenu (void)
     {
       delete menubar;
     }
@@ -652,75 +667,46 @@
     begin ();
     {
 
-      canvas = new
-        OpenGL_fltk (0, 0, ww , hh - status_h, number ());
+      canvas = new OpenGL_fltk (0, 0, ww, hh - status_h, number ());
 
-      uimenu = new
-        fltk_uimenu(0, 0, ww, menu_h);
+      uimenu = new fltk_uimenu (0, 0, ww, menu_h);
       uimenu->hide ();
 
-      bottom = new
-        Fl_Box (0,
-                hh - status_h,
-                ww,
-                status_h);
+      bottom = new Fl_Box (0, hh - status_h, ww, status_h);
       bottom->box(FL_FLAT_BOX);
 
       ndim = calc_dimensions (gh_manager::get_object (fp.get___myhandle__ ()));
 
-      autoscale = new
-        Fl_Button (0,
-                   hh - status_h,
-                   status_h,
-                   status_h,
-                   "A");
+      autoscale = new Fl_Button (0, hh - status_h, status_h, status_h, "A");
       autoscale->callback (button_callback, static_cast<void*> (this));
       autoscale->tooltip ("Autoscale");
 
-      togglegrid = new
-        Fl_Button (status_h,
-                   hh - status_h,
-                   status_h,
-                   status_h,
-                   "G");
+      togglegrid = new Fl_Button (status_h, hh - status_h, status_h,
+                                  status_h, "G");
       togglegrid->callback (button_callback, static_cast<void*> (this));
       togglegrid->tooltip ("Toggle Grid");
 
-      panzoom = new
-        Fl_Button (2 * status_h,
-                   hh - status_h,
-                   status_h,
-                   status_h,
-                   "P");
+      panzoom = new Fl_Button (2 * status_h, hh - status_h, status_h,
+                               status_h, "P");
       panzoom->callback (button_callback, static_cast<void*> (this));
       panzoom->tooltip ("Mouse Pan/Zoom");
 
-      rotate = new
-        Fl_Button (3 * status_h,
-                   hh - status_h,
-                   status_h,
-                   status_h,
-                   "R");
+      rotate = new Fl_Button (3 * status_h, hh - status_h, status_h,
+                              status_h, "R");
       rotate->callback (button_callback, static_cast<void*> (this));
       rotate->tooltip ("Mouse Rotate");
 
       if (ndim == 2)
         rotate->deactivate ();
 
-      help = new
-        Fl_Button (4 * status_h,
-                   hh - status_h,
-                   status_h,
-                   status_h,
-                   "?");
+      help = new Fl_Button (4 * status_h, hh - status_h, status_h,
+                            status_h, "?");
       help->callback (button_callback, static_cast<void*> (this));
       help->tooltip ("Help");
 
-      status = new
-        Fl_Output (5 * status_h,
-                   hh - status_h,
-                   ww > 2*status_h ? ww - status_h : 0,
-                   status_h, "");
+      status = new Fl_Output (5 * status_h, hh - status_h,
+                              ww > 2*status_h ? ww - status_h : 0,
+                              status_h, "");
 
       status->textcolor (FL_BLACK);
       status->color (FL_GRAY);
@@ -768,9 +754,19 @@
     delete uimenu;
   }
 
-  // FIXME -- this could change.
   double number (void) { return fp.get___myhandle__ ().value (); }
 
+  void renumber (double new_number)
+  {
+    if (canvas)
+      {
+        if (canvas->renumber (new_number))
+          mark_modified ();
+      }
+    else
+      error ("unable to renumber figure");
+  }
+
   void print (const std::string& cmd, const std::string& term)
   {
     canvas->print (cmd, term);
@@ -807,7 +803,7 @@
       }
   }
 
-  void uimenu_update(graphics_handle gh, int id)
+  void uimenu_update (const graphics_handle& gh, int id)
   {
     graphics_object uimenu_obj = gh_manager::get_object (gh);
 
@@ -815,51 +811,60 @@
       {
         uimenu::properties& uimenup =
           dynamic_cast<uimenu::properties&> (uimenu_obj.get_properties ());
-        std::string fltk_label = uimenup.get_fltk_label();
-        graphics_object fig = uimenu_obj.get_ancestor("figure");
+        std::string fltk_label = uimenup.get_fltk_label ();
+        graphics_object fig = uimenu_obj.get_ancestor ("figure");
         figure::properties& figp =
           dynamic_cast<figure::properties&> (fig.get_properties ());
 
-        switch(id)
+        switch (id)
           {
-            case base_properties::ID_BEINGDELETED:
-              uimenu->remove_from_menu (uimenup);
-              break;
-            case base_properties::ID_VISIBLE:
-              uimenu->update_visible (uimenup);
-              break;
-            case uimenu::properties::ID_ACCELERATOR:
-              uimenu->update_accelerator (uimenup);
-              break;
-            case uimenu::properties::ID_CALLBACK:
-              uimenu->update_callback (uimenup);
-              break;
-            case uimenu::properties::ID_CHECKED:
-              uimenu->add_to_menu (figp);//rebuilding entire menu
-              break;
-            case uimenu::properties::ID_ENABLE:
-              uimenu->update_enable (uimenup);
-              break;
-            case uimenu::properties::ID_FOREGROUNDCOLOR:
-              uimenu->update_foregroundcolor (uimenup);
-              break;
-            case uimenu::properties::ID_LABEL:
-              uimenu->add_to_menu (figp);//rebuilding entire menu
-              break;
-            case uimenu::properties::ID_POSITION:
-              uimenu->add_to_menu (figp);//rebuilding entire menu
-              break;
-            case uimenu::properties::ID_SEPARATOR:
-              uimenu->update_seperator (uimenup);
-              break;
+          case base_properties::ID_BEINGDELETED:
+            uimenu->remove_from_menu (uimenup);
+            break;
+
+          case base_properties::ID_VISIBLE:
+            uimenu->update_visible (uimenup);
+            break;
+
+          case uimenu::properties::ID_ACCELERATOR:
+            uimenu->update_accelerator (uimenup);
+            break;
+
+          case uimenu::properties::ID_CALLBACK:
+            uimenu->update_callback (uimenup);
+            break;
+
+          case uimenu::properties::ID_CHECKED:
+            uimenu->add_to_menu (figp);//rebuilding entire menu
+            break;
+
+          case uimenu::properties::ID_ENABLE:
+            uimenu->update_enable (uimenup);
+            break;
+
+          case uimenu::properties::ID_FOREGROUNDCOLOR:
+            uimenu->update_foregroundcolor (uimenup);
+            break;
+
+          case uimenu::properties::ID_LABEL:
+            uimenu->add_to_menu (figp);//rebuilding entire menu
+            break;
+
+          case uimenu::properties::ID_POSITION:
+            uimenu->add_to_menu (figp);//rebuilding entire menu
+            break;
+
+          case uimenu::properties::ID_SEPARATOR:
+            uimenu->update_seperator (uimenup);
+            break;
           }
 
-          if (uimenu->items_to_show ())
-            show_menubar ();
-          else
-            hide_menubar ();
+        if (uimenu->items_to_show ())
+          show_menubar ();
+        else
+          hide_menubar ();
 
-          mark_modified();
+        mark_modified();
       }
   }
 
@@ -885,7 +890,7 @@
 
     if (ndim == 3)
       rotate->activate ();
-    else if ((ndim == 2) &&  (gui_mode == rotate_zoom))
+    else if (ndim == 2 && gui_mode == rotate_zoom)
       {
         rotate->deactivate ();
         gui_mode = pan_zoom;
@@ -986,14 +991,14 @@
     mark_modified ();
   }
 
-  void pixel2pos
-  (graphics_handle ax, int px, int py, double& xx, double& yy) const
+  void pixel2pos (const graphics_handle& ax, int px, int py, double& xx,
+                  double& yy) const
   {
     pixel2pos ( gh_manager::get_object (ax), px, py, xx, yy);
   }
 
-  void pixel2pos
-  (graphics_object ax, int px, int py, double& xx, double& yy) const
+  void pixel2pos (graphics_object ax, int px, int py, double& xx,
+                  double& yy) const
   {
     if (ax && ax.isa ("axes"))
       {
@@ -1033,7 +1038,7 @@
     return fp.get_currentaxes ();
   }
 
-  void pixel2status (graphics_handle ax, int px0, int py0,
+  void pixel2status (const graphics_handle& ax, int px0, int py0,
                      int px1 = -1, int py1 = -1)
   {
     pixel2status (gh_manager::get_object (ax), px0, py0, px1, py1);
@@ -1068,7 +1073,7 @@
          cbuf.precision (4);
          cbuf.width (6);
          Matrix v (1,2,0);
-         v = ap.get("view").matrix_value();
+         v = ap.get ("view").matrix_value ();
          cbuf << "[azimuth: " << v(0) << ", elevation: " << v(1) << "]";
 
          status->value (cbuf.str ().c_str ());
@@ -1165,7 +1170,7 @@
   void draw (void)
   {
     Matrix pos = fp.get_position ().matrix_value ();
-    Fl_Window::resize (pos(0), pos(1) , pos(2), pos(3) + status_h + menu_h);
+    Fl_Window::resize (pos(0), pos(1), pos(2), pos(3) + status_h + menu_h);
 
     return Fl_Window::draw ();
   }
@@ -1181,7 +1186,7 @@
     int retval = Fl_Window::handle (event);
 
     // We only handle events which are in the canvas area.
-    if (!Fl::event_inside(canvas))
+    if (!Fl::event_inside (canvas))
       return retval;
 
     if (!fp.is_beingdeleted ())
@@ -1363,9 +1368,9 @@
                       {
                         axes::properties& ap =
                           dynamic_cast<axes::properties&> (ax0.get_properties ());
-                        ap.set_xlimmode("auto");
-                        ap.set_ylimmode("auto");
-                        ap.set_zlimmode("auto");
+                        ap.set_xlimmode ("auto");
+                        ap.set_ylimmode ("auto");
+                        ap.set_zlimmode ("auto");
                         mark_modified ();
                       }
                   }
@@ -1462,18 +1467,25 @@
       instance->do_delete_window (idx);
   }
 
-  static void delete_window (std::string idx_str)
+  static void delete_window (const std::string& idx_str)
   {
     delete_window (str2idx (idx_str));
   }
 
+  static void renumber_figure (const std::string& idx_str, double new_number)
+  {
+    if (instance_ok ())
+      instance->do_renumber_figure (str2idx (idx_str), new_number);
+  }
+
   static void toggle_window_visibility (int idx, bool is_visible)
   {
     if (instance_ok ())
       instance->do_toggle_window_visibility (idx, is_visible);
   }
 
-  static void toggle_window_visibility (std::string idx_str, bool is_visible)
+  static void toggle_window_visibility (const std::string& idx_str,
+                                        bool is_visible)
   {
     toggle_window_visibility (str2idx (idx_str), is_visible);
   }
@@ -1495,7 +1507,7 @@
       instance->do_set_name (idx);
   }
 
-  static void set_name (std::string idx_str)
+  static void set_name (const std::string& idx_str)
   {
     set_name (str2idx (idx_str));
   }
@@ -1510,22 +1522,25 @@
     return get_size (hnd2idx (gh));
   }
 
-  static void print (const graphics_handle& gh , const std::string& cmd, const std::string& term)
+  static void print (const graphics_handle& gh, const std::string& cmd,
+                     const std::string& term)
   {
     if (instance_ok ())
-      instance->do_print (hnd2idx(gh), cmd, term);
+      instance->do_print (hnd2idx (gh), cmd, term);
   }
 
-  static void uimenu_update (const graphics_handle& figh, const graphics_handle& uimenuh, const int id)
+  static void uimenu_update (const graphics_handle& figh,
+                             const graphics_handle& uimenuh, int id)
   {
     if (instance_ok ())
-      instance->do_uimenu_update (hnd2idx(figh), uimenuh, id);
+      instance->do_uimenu_update (hnd2idx (figh), uimenuh, id);
   }
 
-  static void update_canvas (const graphics_handle& gh, const graphics_handle& ca)
+  static void update_canvas (const graphics_handle& gh,
+                             const graphics_handle& ca)
   {
     if (instance_ok ())
-      instance->do_update_canvas (hnd2idx(gh), ca);
+      instance->do_update_canvas (hnd2idx (gh), ca);
   }
 
   static void toggle_menubar_visibility (int fig_idx, bool menubar_is_figure)
@@ -1534,7 +1549,8 @@
       instance->do_toggle_menubar_visibility (fig_idx, menubar_is_figure);
   }
 
-  static void toggle_menubar_visibility (std::string fig_idx_str, bool menubar_is_figure)
+  static void toggle_menubar_visibility (const std::string& fig_idx_str,
+                                         bool menubar_is_figure)
   {
     toggle_menubar_visibility (str2idx (fig_idx_str), menubar_is_figure);
   }
@@ -1568,31 +1584,47 @@
 
   void do_new_window (figure::properties& fp)
   {
-    int x, y, w, h;
+    int idx = figprops2idx (fp);
 
-    int idx = figprops2idx (fp);
     if (idx >= 0 && windows.find (idx) == windows.end ())
       {
-        default_size (x, y, w, h);
-        idx2figprops (curr_index , fp);
+        Matrix pos = fp.get_boundingbox (true);
+
+        int x = pos(0);
+        int y = pos(1);
+        int w = pos(2);
+        int h = pos(3);
+
+        idx2figprops (curr_index, fp);
+
         windows[curr_index++] = new plot_window (x, y, w, h, fp);
       }
   }
 
   void do_delete_window (int idx)
   {
-    wm_iterator win;
-    if ((win = windows.find (idx)) != windows.end ())
+    wm_iterator win = windows.find (idx);
+
+    if (win != windows.end ())
       {
         delete win->second;
         windows.erase (win);
       }
   }
 
+  void do_renumber_figure (int idx, double new_number)
+  {
+    wm_iterator win = windows.find (idx);
+
+    if (win != windows.end ())
+      win->second->renumber (new_number);
+  }
+
   void do_toggle_window_visibility (int idx, bool is_visible)
   {
-    wm_iterator win;
-    if ((win = windows.find (idx)) != windows.end ())
+    wm_iterator win = windows.find (idx);
+
+    if (win != windows.end ())
       {
         if (is_visible)
           win->second->show ();
@@ -1605,8 +1637,9 @@
 
   void do_toggle_menubar_visibility (int fig_idx, bool menubar_is_figure)
   {
-    wm_iterator win;
-    if ((win = windows.find (fig_idx)) != windows.end ())
+    wm_iterator win = windows.find (fig_idx);
+
+    if (win != windows.end ())
       {
         if (menubar_is_figure)
           win->second->show_menubar ();
@@ -1619,28 +1652,27 @@
 
   void do_mark_modified (int idx)
   {
-    wm_iterator win;
-    if ((win = windows.find (idx)) != windows.end ())
-      {
-        win->second->mark_modified ();
-      }
+    wm_iterator win = windows.find (idx);
+
+    if (win != windows.end ())
+      win->second->mark_modified ();
   }
 
   void do_set_name (int idx)
   {
-    wm_iterator win;
-    if ((win = windows.find (idx)) != windows.end ())
-      {
-        win->second->set_name ();
-      }
+    wm_iterator win = windows.find (idx);
+
+    if (win != windows.end ())
+      win->second->set_name ();
   }
 
   Matrix do_get_size (int idx)
   {
     Matrix sz (1, 2, 0.0);
 
-    wm_iterator win;
-    if ((win = windows.find (idx)) != windows.end ())
+    wm_iterator win = windows.find (idx);
+
+    if (win != windows.end ())
       {
         sz(0) = win->second->w ();
         sz(1) = win->second->h ();
@@ -1651,26 +1683,25 @@
 
   void do_print (int idx, const std::string& cmd, const std::string& term)
   {
-    wm_iterator win;
-    if ((win = windows.find (idx)) != windows.end ())
-      {
-        win->second->print (cmd, term);
-      }
+    wm_iterator win = windows.find (idx);
+
+    if (win != windows.end ())
+      win->second->print (cmd, term);
   }
 
-  void do_uimenu_update (int idx, graphics_handle gh, int id)
+  void do_uimenu_update (int idx, const graphics_handle& gh, int id)
   {
-    wm_iterator win;
-    if ((win = windows.find (idx)) != windows.end ())
-      {
-        win->second->uimenu_update (gh, id);
-      }
+    wm_iterator win = windows.find (idx);
+
+    if (win != windows.end ())
+      win->second->uimenu_update (gh, id);
   }
 
-  void do_update_canvas (int idx, graphics_handle ca)
+  void do_update_canvas (int idx, const graphics_handle& ca)
   {
-    wm_iterator win;
-    if ((win = windows.find (idx)) != windows.end ())
+    wm_iterator win = windows.find (idx);
+
+    if (win != windows.end ())
       {
         if (ca.ok ())
           win->second->show_canvas ();
@@ -1679,17 +1710,7 @@
       }
   }
 
-
-  // FIXME -- default size should be configurable.
-  void default_size (int& x, int& y, int& w, int& h)
-  {
-    x = 0;
-    y = 0;
-    w = 640;
-    h = 480;
-  }
-
-  static int str2idx (const caseless_str clstr)
+  static int str2idx (const caseless_str& clstr)
   {
     int ind;
     if (clstr.find (fltk_idx_header,0) == 0)
@@ -1723,7 +1744,7 @@
     return -1;
   }
 
-  static int hnd2idx (const double h)
+  static int hnd2idx (double h)
   {
     graphics_object fobj = gh_manager::get_object (h);
     if (fobj &&  fobj.isa ("figure"))
@@ -1732,7 +1753,7 @@
           dynamic_cast<figure::properties&> (fobj.get_properties ());
         return figprops2idx (fp);
       }
-    error ("figure_manager: H is not a figure");
+    error ("figure_manager: H (= %g) is not a figure", h);
     return -1;
   }
 
@@ -1807,7 +1828,7 @@
       }
   }
 
-  void uimenu_set_fltk_label(graphics_object uimenu_obj)
+  void uimenu_set_fltk_label (graphics_object uimenu_obj)
   {
     if (uimenu_obj.valid_object ())
       {
@@ -1817,14 +1838,14 @@
         graphics_object go = gh_manager::get_object (uimenu_obj.get_parent ());
         if (go.isa ("uimenu"))
           fltk_label = dynamic_cast<const uimenu::properties&> (go.get_properties ()).get_fltk_label ()
-                     + "/"
-                     + fltk_label;
+            + "/"
+            + fltk_label;
         else if (go.isa ("figure"))
           ;
         else
-          error("unexpected parent object\n");
+          error ("unexpected parent object\n");
 
-        uimenup.set_fltk_label(fltk_label);
+        uimenup.set_fltk_label (fltk_label);
       }
   }
 
@@ -1841,19 +1862,34 @@
 
             switch (id)
               {
-                case base_properties::ID_VISIBLE:
-                  figure_manager::toggle_window_visibility (ov.string_value (), fp.is_visible ());
-                  break;
-                case figure::properties::ID_MENUBAR:
-                  figure_manager::toggle_menubar_visibility (ov.string_value (), fp.menubar_is("figure"));
-                  break;
-                case figure::properties::ID_CURRENTAXES:
-                  figure_manager::update_canvas (go.get_handle (), fp.get_currentaxes ());
-                  break;
-                case figure::properties::ID_NAME:
-                case figure::properties::ID_NUMBERTITLE:
-                  figure_manager::set_name (ov.string_value ());
-                  break;
+              case base_properties::ID_VISIBLE:
+                figure_manager::toggle_window_visibility
+                  (ov.string_value (), fp.is_visible ());
+                break;
+
+              case figure::properties::ID_MENUBAR:
+                figure_manager::toggle_menubar_visibility
+                  (ov.string_value (), fp.menubar_is ("figure"));
+                break;
+
+              case figure::properties::ID_CURRENTAXES:
+                figure_manager::update_canvas
+                  (go.get_handle (), fp.get_currentaxes ());
+                break;
+
+              case figure::properties::ID_NAME:
+              case figure::properties::ID_NUMBERTITLE:
+                figure_manager::set_name (ov.string_value ());
+                break;
+
+              case figure::properties::ID_INTEGERHANDLE:
+                {
+                  std::string tmp = ov.string_value ();
+                  graphics_handle gh = fp.get___myhandle__ ();
+                  figure_manager::renumber_figure (tmp, gh.value ());
+                  figure_manager::set_name (tmp);
+                }
+                break;
               }
           }
       }
@@ -1959,8 +1995,7 @@
       Fl::wait (fltk_maxtime);
     }
 
-  octave_value retval;
-  return retval;
+  return octave_value ();
 }
 
 DEFUN_DLD (__fltk_maxtime__, args, ,"")
@@ -1978,13 +2013,12 @@
   return retval;
 }
 
-/* FIXME: This function should be abstracted and made potentially available
-          to all graphics toolkits.  This suggests putting it in graphics.cc
-          as is done for drawnow() and having the master mouse_wheel_zoom
-          function call fltk_mouse_wheel_zoom.  The same should be done for
-          gui_mode and fltk_gui_mode.  For now (2011.01.30), just
-          changing function names and docstrings.
-*/
+// FIXME -- This function should be abstracted and made potentially
+// available to all graphics toolkits.  This suggests putting it in
+// graphics.cc as is done for drawnow() and having the master
+// mouse_wheel_zoom function call fltk_mouse_wheel_zoom.  The same
+// should be done for gui_mode and fltk_gui_mode.  For now (2011.01.30),
+// just changing function names and docstrings.
 
 DEFUN_DLD (mouse_wheel_zoom, args, ,
   "-*- texinfo -*-\n\
@@ -2039,7 +2073,6 @@
   else
     mode_str = "none";
 
-
   bool failed = false;
 
   if (args.length () == 1)
@@ -2064,9 +2097,7 @@
   if (failed)
     error ("MODE must be one of the strings: \"2D\", \"3D\", or \"none\"");
 
-
-  return octave_value(mode_str);
+  return octave_value (mode_str);
 }
 
-
 #endif
--- a/src/DLD-FUNCTIONS/__voronoi__.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/src/DLD-FUNCTIONS/__voronoi__.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -36,6 +36,8 @@
 
 #include <cstdio>
 
+#include <list>
+
 #include "lo-ieee.h"
 
 #include "Cell.h"
@@ -53,7 +55,7 @@
 #endif
 #endif
 
-DEFUN_DLD (__voronoi__, args, nargout,
+DEFUN_DLD (__voronoi__, args, ,
         "-*- texinfo -*-\n\
 @deftypefn  {Loadable Function} {@var{C}, @var{F} =} __voronoi__ (@var{pts})\n\
 @deftypefnx {Loadable Function} {@var{C}, @var{F} =} __voronoi__ (@var{pts}, @var{options})\n\
@@ -113,7 +115,7 @@
   // Qhull flags argument is not const char*
   OCTAVE_LOCAL_BUFFER (char, flags, 12 + options.length ());
 
-  sprintf (flags, "qhull v FV %s", options.c_str ());
+  sprintf (flags, "qhull v Fv %s", options.c_str ());
 
   int exitcode = qh_new_qhull (dim, np, pt_array, 
                                ismalloc, flags, outfile, errfile);
@@ -122,11 +124,21 @@
       facetT *facet;
       vertexT *vertex;
 
-      octave_idx_type i = 0, n = 1, k = 0, m = 0, fidx = 0, j = 0, r = 0;
-      OCTAVE_LOCAL_BUFFER (octave_idx_type, ni, np);
+      octave_idx_type i = 0, n = 1, k = 0, m = 0, j = 0, r = 0;
 
-      for (i = 0; i < np; i++)
+      // Count number of vertices for size of NI.  FIXME -- does Qhull
+      // have a way to query this value directly?
+      octave_idx_type nv = 0;
+      FORALLvertices
+        {
+          nv++;
+        }
+
+      OCTAVE_LOCAL_BUFFER (octave_idx_type, ni, nv);
+
+      for (i = 0; i < nv; i++)
         ni[i] = 0;
+
       qh_setvoronoi_all ();
 
       bool infinity_seen = false;
@@ -162,6 +174,7 @@
                   ni[k]++;
                 }
             }
+
           k++;
         }
 
@@ -169,8 +182,8 @@
       for (octave_idx_type d = 0; d < dim; d++)
         v(0,d) = octave_Inf;
 
-      boolMatrix AtInf (np, 1, false);
-      octave_value_list F (np, octave_value ());
+      boolMatrix AtInf (nv, 1, false);
+      std::list<RowVector> F;
       k = 0;
       i = 0;
 
@@ -182,10 +195,20 @@
       FORALLvertices
         {
           if (qh hull_dim == 3)
-            qh_order_vertexneighbors(vertex);
+            qh_order_vertexneighbors (vertex);
 
           infinity_seen = false;
-          RowVector facet_list (ni[k++]);
+
+          octave_idx_type n_vertices = ni[k++];
+
+          // Qhull seems to sometimes produce "facets" with a single
+          // vertex.  Is that a bug?  How can a facet have just one
+          // vertex?  Let's skip it.
+
+          if (n_vertices == 1)
+            continue;
+
+          RowVector facet_list (n_vertices);
           m = 0;
 
           FOREACHneighbor_(vertex)
@@ -204,7 +227,6 @@
                   if (! neighbor->seen)
                     {
                       voronoi_vertex = neighbor->center;
-                      fidx = neighbor->id;
                       i++;
                       for (octave_idx_type d = 0; d < dim; d++)
                         {
@@ -216,19 +238,25 @@
                   facet_list(m++) = neighbor->visitid + 1;
                 }
             }
-          F(r++) = facet_list;
+          F.push_back (facet_list);
           j++;
         }
 
-      Cell C(r, 1);
-      for (i = 0; i < r; i++)
-        C.elem (i) = F(i);
+      // For compatibility with Matlab, pad the cell array of vertex
+      // lists with empty matrices if there are fewer facets than
+      // points.
+      octave_idx_type f_len = F.size ();
+      Cell C(np > f_len ? np : f_len, 1);
 
-      if (nargout == 3)
-        {
-          AtInf.resize (r, 1);
-          retval(2) = AtInf;
-        }
+      i = 0;
+      for (std::list<RowVector>::const_iterator it = F.begin ();
+           it != F.end (); it++)
+        C.elem (i++) = *it;
+
+      F.clear ();
+
+      AtInf.resize (f_len, 1);
+      retval(2) = AtInf;
       retval(1) = C;
       retval(0) = v;
     }
--- a/src/DLD-FUNCTIONS/lu.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/src/DLD-FUNCTIONS/lu.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -616,7 +616,7 @@
 @end example\n\
 \n\
 @noindent\n\
-then a factorization of @code{@var{A}+@var{x}*@var{y}.'} can be obtained\n\
+then a factorization of @xcode{@var{A}+@var{x}*@var{y}.'} can be obtained\n\
 either as\n\
 \n\
 @example\n\
--- a/src/DLD-FUNCTIONS/max.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/src/DLD-FUNCTIONS/max.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -309,11 +309,13 @@
   "-*- texinfo -*-\n\
 @deftypefn  {Loadable Function} {} min (@var{x})\n\
 @deftypefnx {Loadable Function} {} min (@var{x}, @var{y})\n\
+@deftypefnx {Loadable Function} {} min (@var{x}, [], @var{dim})\n\
 @deftypefnx {Loadable Function} {} min (@var{x}, @var{y}, @var{dim})\n\
 @deftypefnx {Loadable Function} {[@var{w}, @var{iw}] =} min (@var{x})\n\
 For a vector argument, return the minimum value.  For a matrix\n\
 argument, return the minimum value from each column, as a row\n\
-vector, or over the dimension @var{dim} if defined.  For two matrices\n\
+vector, or over the dimension @var{dim} if defined, in which case @var{y} \n\
+should be set to the empty matrix (it's ignored otherwise).  For two matrices\n\
 (or a matrix and scalar), return the pair-wise minimum.\n\
 Thus,\n\
 \n\
@@ -386,11 +388,13 @@
   "-*- texinfo -*-\n\
 @deftypefn  {Loadable Function} {} max (@var{x})\n\
 @deftypefnx {Loadable Function} {} max (@var{x}, @var{y})\n\
+@deftypefnx {Loadable Function} {} max (@var{x}, [], @var{dim})\n\
 @deftypefnx {Loadable Function} {} max (@var{x}, @var{y}, @var{dim})\n\
 @deftypefnx {Loadable Function} {[@var{w}, @var{iw}] =} max (@var{x})\n\
 For a vector argument, return the maximum value.  For a matrix\n\
 argument, return the maximum value from each column, as a row\n\
-vector, or over the dimension @var{dim} if defined.  For two matrices\n\
+vector, or over the dimension @var{dim} if defined, in which case @var{y} \n\
+should be set to the empty matrix (it's ignored otherwise).  For two matrices\n\
 (or a matrix and scalar), return the pair-wise maximum.\n\
 Thus,\n\
 \n\
--- a/src/DLD-FUNCTIONS/regexp.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/src/DLD-FUNCTIONS/regexp.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -422,9 +422,12 @@
             break;
           else if (ovector[1] <= ovector[0])
             {
-              // FIXME: Zero sized match!! Is this the right thing to do?
+              // Zero sized match.  Skip to next char.
               idx = ovector[0] + 1;
-              continue;
+              if (idx < buffer.length ())
+                continue;
+              else
+                break;
             }
           else
             {
@@ -1040,6 +1043,8 @@
 
 ## seg-fault test
 %!assert(regexp("abcde","."),[1,2,3,4,5])
+## Infinite loop test
+%!assert (isempty (regexp("abcde", "")))
 
 ## Check that anchoring of pattern works correctly
 %!assert(regexp('abcabc','^abc'),1);
--- a/src/DLD-FUNCTIONS/schur.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/src/DLD-FUNCTIONS/schur.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -307,7 +307,7 @@
 $U^{\\dagger} U$ is the identity matrix I.\n\
 @end tex\n\
 @ifnottex\n\
-@code{@var{UR} * @var{TR} * @var{UR}' = @var{U} * @var{T} * @var{U}'} and\n\
+@xcode{@var{UR} * @var{TR} * @var{UR}' = @var{U} * @var{T} * @var{U}'} and\n\
 @code{@var{U}' * @var{U}} is the identity matrix I.\n\
 @end ifnottex\n\
 \n\
--- a/src/DLD-FUNCTIONS/symbfact.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/src/DLD-FUNCTIONS/symbfact.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -63,10 +63,10 @@
 Factorize @code{@var{S}' * @var{S}}.\n\
 \n\
 @item row\n\
-Factorize @code{@var{S} * @var{S}'}.\n\
+Factorize @xcode{@var{S} * @var{S}'}.\n\
 \n\
 @item lo\n\
-Factorize @code{@var{S}'}\n\
+Factorize @xcode{@var{S}'}\n\
 @end table\n\
 \n\
 @item mode\n\
--- a/src/DLD-FUNCTIONS/typecast.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/src/DLD-FUNCTIONS/typecast.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -382,7 +382,7 @@
 
 DEFUN_DLD (bitunpack, args, ,
   "-*- texinfo -*-\n\
-@deftypefn {Loadable Function} {@var{y} =} bitpack (@var{x})\n\
+@deftypefn {Loadable Function} {@var{y} =} bitunpack (@var{x})\n\
 Return an array @var{y} corresponding to the raw bit patterns of\n\
 @var{x}.  @var{x} must belong to one of the built-in numeric classes:\n\
 \n\
--- a/src/data.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/src/data.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -5288,7 +5288,7 @@
 DEFUN (uplus, args, ,
   "-*- texinfo -*-\n\
 @deftypefn {Built-in Function} {} uplus (@var{x})\n\
-This function is equivalent to @w{@code{+ x}}.\n\
+This function and @w{@xcode{+ x}} are equivalent.\n\
 @end deftypefn")
 {
   return unary_op_defun_body (octave_value::op_uplus, args);
@@ -5297,7 +5297,7 @@
 DEFUN (uminus, args, ,
   "-*- texinfo -*-\n\
 @deftypefn {Built-in Function} {} uminus (@var{x})\n\
-This function is equivalent to @w{@code{- x}}.\n\
+This function and @w{@xcode{- x}} are equivalent.\n\
 @end deftypefn")
 {
   return unary_op_defun_body (octave_value::op_uminus, args);
@@ -5306,7 +5306,8 @@
 DEFUN (transpose, args, ,
   "-*- texinfo -*-\n\
 @deftypefn {Built-in Function} {} transpose (@var{x})\n\
-Return the transpose of @var{x}.  This function is equivalent to @code{x.'}.\n\
+Return the transpose of @var{x}.\n\
+This function and @xcode{x.'} are equivalent.\n\
 @seealso{ctranspose}\n\
 @end deftypefn")
 {
@@ -5338,8 +5339,8 @@
 DEFUN (ctranspose, args, ,
   "-*- texinfo -*-\n\
 @deftypefn {Built-in Function} {} ctranspose (@var{x})\n\
-Return the complex conjugate transpose of @var{x}.  This function is\n\
-equivalent to @code{x'}.\n\
+Return the complex conjugate transpose of @var{x}.\n\
+This function and @xcode{x'} are equivalent.\n\
 @seealso{transpose}\n\
 @end deftypefn")
 {
@@ -5415,7 +5416,7 @@
   "-*- texinfo -*-\n\
 @deftypefn  {Built-in Function} {} plus (@var{x}, @var{y})\n\
 @deftypefnx {Built-in Function} {} plus (@var{x1}, @var{x2}, @dots{})\n\
-This function is equivalent to @w{@code{x + y}}.\n\
+This function and @w{@xcode{x + y}} are equivalent.\n\
 If more arguments are given, the summation is applied\n\
 cumulatively from left to right:\n\
 \n\
@@ -5434,7 +5435,7 @@
 DEFUN (minus, args, ,
   "-*- texinfo -*-\n\
 @deftypefn {Built-in Function} {} minus (@var{x}, @var{y})\n\
-This function is equivalent to @w{@code{x - y}}.\n\
+This function and @w{@xcode{x - y}} are equivalent.\n\
 @seealso{plus}\n\
 @end deftypefn")
 {
@@ -5446,7 +5447,7 @@
 @deftypefn  {Built-in Function} {} mtimes (@var{x}, @var{y})\n\
 @deftypefnx {Built-in Function} {} mtimes (@var{x1}, @var{x2}, @dots{})\n\
 Return the matrix multiplication product of inputs.\n\
-This function is equivalent to @w{@code{x * y}}.\n\
+This function and @w{@xcode{x * y}} are equivalent.\n\
 If more arguments are given, the multiplication is applied\n\
 cumulatively from left to right:\n\
 \n\
@@ -5466,7 +5467,7 @@
   "-*- texinfo -*-\n\
 @deftypefn {Built-in Function} {} mrdivide (@var{x}, @var{y})\n\
 Return the matrix right division of @var{x} and @var{y}.\n\
-This function is equivalent to @w{@code{x / y}}.\n\
+This function and @w{@xcode{x / y}} are equivalent.\n\
 @seealso{mldivide, rdivide}\n\
 @end deftypefn")
 {
@@ -5477,7 +5478,7 @@
   "-*- texinfo -*-\n\
 @deftypefn {Built-in Function} {} mpower (@var{x}, @var{y})\n\
 Return the matrix power operation of @var{x} raised to the @var{y} power.\n\
-This function is equivalent to @w{@code{x ^ y}}.\n\
+This function and @w{@xcode{x ^ y}} are equivalent.\n\
 @seealso{power}\n\
 @end deftypefn")
 {
@@ -5488,7 +5489,7 @@
   "-*- texinfo -*-\n\
 @deftypefn {Built-in Function} {} mldivide (@var{x}, @var{y})\n\
 Return the matrix left division of @var{x} and @var{y}.\n\
-This function is equivalent to @w{@code{x \\ y}}.\n\
+This function and @w{@xcode{x \\ y}} are equivalent.\n\
 @seealso{mrdivide, ldivide}\n\
 @end deftypefn")
 {
@@ -5558,7 +5559,7 @@
 @deftypefn  {Built-in Function} {} times (@var{x}, @var{y})\n\
 @deftypefnx {Built-in Function} {} times (@var{x1}, @var{x2}, @dots{})\n\
 Return the element-by-element multiplication product of inputs.\n\
-This function is equivalent to @w{@code{x .* y}}.\n\
+This function and @w{@xcode{x .* y}} are equivalent.\n\
 If more arguments are given, the multiplication is applied\n\
 cumulatively from left to right:\n\
 \n\
@@ -5578,7 +5579,7 @@
   "-*- texinfo -*-\n\
 @deftypefn {Built-in Function} {} rdivide (@var{x}, @var{y})\n\
 Return the element-by-element right division of @var{x} and @var{y}.\n\
-This function is equivalent to @w{@code{x ./ y}}.\n\
+This function and @w{@xcode{x ./ y}} are equivalent.\n\
 @seealso{ldivide, mrdivide}\n\
 @end deftypefn")
 {
@@ -5590,7 +5591,7 @@
 @deftypefn {Built-in Function} {} power (@var{x}, @var{y})\n\
 Return the element-by-element operation of @var{x} raised to the\n\
 @var{y} power.\n\
-This function is equivalent to @w{@code{x .^ y}}.\n\
+This function and @w{@xcode{x .^ y}} are equivalent.\n\
 @seealso{mpower}\n\
 @end deftypefn")
 {
@@ -5601,7 +5602,7 @@
   "-*- texinfo -*-\n\
 @deftypefn {Built-in Function} {} ldivide (@var{x}, @var{y})\n\
 Return the element-by-element left division of @var{x} and @var{y}.\n\
-This function is equivalent to @w{@code{x .\\ y}}.\n\
+This function and @w{@xcode{x .\\ y}} are equivalent.\n\
 @seealso{rdivide, mldivide}\n\
 @end deftypefn")
 {
--- a/src/debug.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/src/debug.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -929,7 +929,7 @@
 // interpreter is currently executing when the debugger is stopped in
 // some C++ function, for example.
 
-static void
+void
 show_octave_dbstack (void)
 {
   do_dbstack (octave_value_list (), 0, std::cerr);
--- a/src/error.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/src/error.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -1464,8 +1464,6 @@
 
   disable_warning ("Octave:array-to-scalar");
   disable_warning ("Octave:array-to-vector");
-  disable_warning ("Octave:empty-list-elements");
-  disable_warning ("Octave:fortran-indexing");
   disable_warning ("Octave:imag-to-real");
   disable_warning ("Octave:matlab-incompatible");
   disable_warning ("Octave:missing-semicolon");
@@ -1474,13 +1472,16 @@
   disable_warning ("Octave:separator-insert");
   disable_warning ("Octave:single-quote-string");
   disable_warning ("Octave:str-to-num");
-  disable_warning ("Octave:string-concat");
+  disable_warning ("Octave:mixed-string-concat");
   disable_warning ("Octave:variable-switch-label");
-  disable_warning ("Octave:complex-cmp-ops");
 
   // This should be an error unless we are in maximum braindamage mode.
+  // FIXME: Not quite right.  This sets the error state even for braindamage
+  // mode.  Also, this error is not triggered in normal mode because another
+  // error handler catches it first and gives:
+  // error: subscript indices must be either positive integers or logicals
+  set_warning_state ("Octave:noninteger-range-as-index", "error");
 
-  set_warning_state ("Octave:allow-noninteger-ranges-as-indices", "error");
 }
 
 DEFUN (lasterror, args, ,
--- a/src/find-defun-files.sh	Wed Nov 16 18:51:04 2011 +0000
+++ b/src/find-defun-files.sh	Wed Nov 16 14:37:55 2011 -0500
@@ -21,6 +21,6 @@
     file="$srcdir/$arg"
   fi
   if [ "`$EGREP -l "$DEFUN_PATTERN" $file`" ]; then
-    echo "$file" | $SED 's,.*/,,; s/\.\(cc\|yy\|ll\)$/.df/';
+    echo "$file" | $SED 's,.*/,,; s/\.cc$/.df/; s/\.ll$/.df/; s/\.yy$/.df/';
   fi
 done
--- a/src/gl-render.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/src/gl-render.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -2887,7 +2887,7 @@
 
         glBegin (GL_POLYGON);
         for (double ang = 0; ang < (2*M_PI); ang += ang_step)
-          glVertex2d (sz*cos(ang)/6, sz*sin(ang)/6);
+          glVertex2d (sz*cos(ang)/3, sz*sin(ang)/3);
         glEnd ();
       }
       break;
--- a/src/graphics.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/src/graphics.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -220,10 +220,18 @@
 }
 
 static Matrix
-default_lim (void)
+default_lim (bool logscale = false)
 {
   Matrix m (1, 2, 0);
-  m(1) = 1;
+
+  if (logscale)
+    {
+      m(0) = 0.1;
+      m(1) = 1.0;
+    }
+  else
+    m(1) = 1;
+
   return m;
 }
 
@@ -405,8 +413,7 @@
 
 static Matrix
 convert_position (const Matrix& pos, const caseless_str& from_units,
-                  const caseless_str& to_units,
-                  const Matrix& parent_dim = Matrix (1, 2, 0.0))
+                  const caseless_str& to_units, const Matrix& parent_dim)
 {
   Matrix retval (1, pos.numel ());
   double res = 0;
@@ -2101,11 +2108,11 @@
 }
 
 graphics_handle
-gh_manager::get_handle (const std::string& go_name)
+gh_manager::do_get_handle (bool integer_figure_handle)
 {
   graphics_handle retval;
 
-  if (go_name == "figure")
+  if (integer_figure_handle)
     {
       // Figure handles are positive integers corresponding to the
       // figure number.
@@ -2188,6 +2195,38 @@
     }
 }
 
+void
+gh_manager::do_renumber_figure (const graphics_handle& old_gh,
+                                const graphics_handle& new_gh)
+{
+  iterator p = handle_map.find (old_gh);
+
+  if (p != handle_map.end ())
+    {
+      graphics_object go = p->second;
+
+      handle_map.erase (p);
+
+      handle_map[new_gh] = go;
+
+      if (old_gh.value () < 0)
+        handle_free_list.insert (std::ceil (old_gh.value ())
+                                 - make_handle_fraction ());
+    }
+  else
+    error ("graphics_handle::free: invalid object %g", old_gh.value ());
+
+  for (figure_list_iterator q = figure_list.begin ();
+       q != figure_list.end (); q++)
+    {
+      if (*q == old_gh)
+        {
+          *q = new_gh;
+          break;
+        }
+    }
+}
+
 gh_manager *gh_manager::instance = 0;
 
 static void
@@ -2772,10 +2811,14 @@
 
       unwind_protect frame;
 
+      frame.protect_var (error_state);
       frame.protect_var (discard_error_messages);
-      frame.protect_var (error_state);
+      frame.protect_var (Vdebug_on_error);
+      frame.protect_var (Vdebug_on_warning);
 
       discard_error_messages = true;
+      Vdebug_on_error = false;
+      Vdebug_on_warning = false;
 
       property p = get_properties ().get_property (pa->first);
 
@@ -2916,6 +2959,50 @@
     gripe_set_invalid ("callbackobject");
 }
 
+void
+figure::properties::set_integerhandle (const octave_value& val)
+{
+  if (! error_state)
+    {
+      if (integerhandle.set (val, true))
+        {
+          bool int_fig_handle = integerhandle.is_on ();
+
+          graphics_object this_go = gh_manager::get_object (__myhandle__);
+
+          graphics_handle old_myhandle = __myhandle__;
+
+          __myhandle__ = gh_manager::get_handle (int_fig_handle);
+
+          gh_manager::renumber_figure (old_myhandle, __myhandle__);
+
+          graphics_object parent_go = gh_manager::get_object (get_parent ());
+
+          base_properties& props = parent_go.get_properties ();
+
+          props.renumber_child (old_myhandle, __myhandle__);
+
+          Matrix kids = get_children ();
+
+          for (octave_idx_type i = 0; i < kids.numel (); i++)
+            {
+              graphics_object kid = gh_manager::get_object (kids(i));
+
+              kid.get_properties ().renumber_parent (__myhandle__);
+            }
+
+          graphics_handle cf = gh_manager::current_figure ();
+
+          if (__myhandle__ == cf)
+            xset (0, "currentfigure", __myhandle__.value ());
+
+          this_go.update (integerhandle.get_id ());
+
+          mark_modified ();
+        }
+    }
+}
+
 // FIXME This should update monitorpositions and pointerlocation, but
 // as these properties are yet used, and so it doesn't matter that they
 // aren't set yet.
@@ -3842,7 +3929,8 @@
 
   if (v.is_string ())
     {
-      val = gh_manager::make_graphics_handle ("text", __myhandle__, false);
+      val = gh_manager::make_graphics_handle ("text", __myhandle__,
+                                              false, false);
 
       xset (val, "string", v);
     }
@@ -4042,10 +4130,17 @@
 
   delete_children (true);
 
-  xlabel = gh_manager::make_graphics_handle ("text", __myhandle__, false);
-  ylabel = gh_manager::make_graphics_handle ("text", __myhandle__, false);
-  zlabel = gh_manager::make_graphics_handle ("text", __myhandle__, false);
-  title = gh_manager::make_graphics_handle ("text", __myhandle__, false);
+  xlabel = gh_manager::make_graphics_handle ("text", __myhandle__,
+                                             false, false);
+
+  ylabel = gh_manager::make_graphics_handle ("text", __myhandle__,
+                                             false, false);
+
+  zlabel = gh_manager::make_graphics_handle ("text", __myhandle__,
+                                             false, false);
+
+  title = gh_manager::make_graphics_handle ("text", __myhandle__,
+                                            false, false);
 
   xset (xlabel.handle_value (), "handlevisibility", "off");
   xset (ylabel.handle_value (), "handlevisibility", "off");
@@ -4115,7 +4210,8 @@
 
   if (! is_beingdeleted ())
     {
-      hp = gh_manager::make_graphics_handle ("text", __myhandle__, false);
+      hp = gh_manager::make_graphics_handle ("text", __myhandle__,
+                                             false, false);
 
       xset (hp.handle_value (), "handlevisibility", "off");
 
@@ -4610,8 +4706,6 @@
   frame.protect_var (updating_axes_layout);
   updating_axes_layout = true;
 
-  update_ticklengths ();
-
   xySym = (xd*yd*(xPlane-xPlaneN)*(yPlane-yPlaneN) > 0);
   zSign = (zd*(zPlane-zPlaneN) <= 0);
   xyzSym = zSign ? xySym : !xySym;
@@ -4657,6 +4751,8 @@
 
   Matrix viewmat = get_view ().matrix_value ();
   nearhoriz = std::abs(viewmat(1)) <= 5;
+
+  update_ticklengths ();
 }
 
 void
@@ -5554,7 +5650,12 @@
   double min_val = xmin;
   double max_val = xmax;
 
-  if (! (xisinf (min_val) || xisinf (max_val)))
+  if (xisinf (min_val) && min_val > 0 && xisinf (max_val) && max_val < 0)
+    {
+      retval = default_lim (logscale);
+      return retval;
+    }
+  else if (! (xisinf (min_val) || xisinf (max_val)))
     {
       if (logscale)
         {
@@ -5568,7 +5669,7 @@
               retval(1) = pow (10., retval(1));
               return retval;
             }
-          if ((min_val <= 0 && max_val >= 0))
+          if ((min_val <= 0 && max_val > 0))
             {
               warning ("axis: omitting nonpositive data in log plot");
               min_val = min_pos;
@@ -5588,8 +5689,8 @@
           else
             {
               // Log plots with all negative data
-              min_val = -pow (10, gnulib::floor (log10 (-min_val)));
-              max_val = -pow (10, std::ceil (log10 (-max_val)));
+              min_val = -pow (10, std::ceil (log10 (-min_val)));
+              max_val = -pow (10, gnulib::floor (log10 (-max_val)));
             }
         }
       else
@@ -7269,10 +7370,12 @@
 
 graphics_handle
 gh_manager::do_make_graphics_handle (const std::string& go_name,
-                                     const graphics_handle& p, bool do_createfcn,
+                                     const graphics_handle& p,
+                                     bool integer_figure_handle,
+                                     bool do_createfcn,
                                      bool do_notify_toolkit)
 {
-  graphics_handle h = get_handle (go_name);
+  graphics_handle h = get_handle (integer_figure_handle);
 
   base_graphics_object *go = 0;
 
@@ -8194,6 +8297,7 @@
 
 static octave_value
 make_graphics_object (const std::string& go_name,
+                      bool integer_figure_handle,
                       const octave_value_list& args)
 {
   octave_value retval;
@@ -8233,7 +8337,9 @@
       if (parent.ok ())
         {
           graphics_handle h
-            = gh_manager::make_graphics_handle (go_name, parent, false, false);
+            = gh_manager::make_graphics_handle (go_name, parent,
+                                                integer_figure_handle,
+                                                false, false);
 
           if (! error_state)
             {
@@ -8287,21 +8393,61 @@
             }
           else
             {
+              bool int_fig_handle = true;
+
+              octave_value_list xargs = args.splice (0, 1);
+
               graphics_handle h = octave_NaN;
 
               if (xisnan (val))
-                h = gh_manager::make_graphics_handle ("figure", 0, false,
-                                                      false);
+                {
+                  caseless_str p ("integerhandle");
+
+                  for (int i = 0; i < xargs.length (); i++)
+                    {
+                      if (xargs(i).is_string ()
+                          && p.compare (xargs(i).string_value ()))
+                        {
+                          if (i < (xargs.length () - 1))
+                            {
+                              std::string pval = xargs(i+1).string_value ();
+
+                              if (! error_state)
+                                {
+                                  caseless_str on ("on");
+                                  int_fig_handle = on.compare (pval);
+                                  xargs = xargs.splice (i, 2);
+                                  break;
+                                }
+                            }
+                        }
+                    }
+
+                  h = gh_manager::make_graphics_handle ("figure", 0,
+                                                        int_fig_handle,
+                                                        false, false);
+
+                  if (! int_fig_handle)
+                    {
+                      // We need to intiailize the integerhandle
+                      // property without calling the set_integerhandle
+                      // method, because doing that will generate a new
+                      // handle value...
+
+                      graphics_object go = gh_manager::get_object (h);
+                      go.get_properties ().init_integerhandle ("off");
+                    }
+                }
               else if (val > 0 && D_NINT (val) == val)
                 h = gh_manager::make_figure_handle (val, false);
-              else
-                error ("__go_figure__: invalid figure number");
 
               if (! error_state && h.ok ())
                 {
                   adopt (0, h);
 
-                  xset (h, args.splice (0, 1));
+                  gh_manager::push_figure (h);
+
+                  xset (h, xargs);
                   xcreatefcn (h);
                   xinitialize (h);
 
@@ -8326,7 +8472,7 @@
   octave_value retval; \
  \
   if (args.length () > 0) \
-    retval = make_graphics_object (#TYPE, args); \
+    retval = make_graphics_object (#TYPE, false, args);  \
   else \
     print_usage (); \
  \
@@ -8651,26 +8797,36 @@
   return retval;
 }
 
-DEFUN (__go_handles__, , ,
+DEFUN (__go_handles__, args, ,
    "-*- texinfo -*-\n\
-@deftypefn {Built-in Function} {} __go_handles__ ()\n\
+@deftypefn {Built-in Function} {} __go_handles__ (@var{show_hidden})\n\
 Undocumented internal function.\n\
 @end deftypefn")
 {
   gh_manager::auto_lock guard;
 
-  return octave_value (gh_manager::handle_list ());
-}
-
-DEFUN (__go_figure_handles__, , ,
+  bool show_hidden = false;
+
+  if (args.length () > 0)
+    show_hidden = args(0).bool_value ();
+
+  return octave_value (gh_manager::handle_list (show_hidden));
+}
+
+DEFUN (__go_figure_handles__, args, ,
    "-*- texinfo -*-\n\
-@deftypefn {Built-in Function} {} __go_figure_handles__ ()\n\
+@deftypefn {Built-in Function} {} __go_figure_handles__ (@var{show_hidden})\n\
 Undocumented internal function.\n\
 @end deftypefn")
 {
   gh_manager::auto_lock guard;
 
-  return octave_value (gh_manager::figure_handle_list ());
+  bool show_hidden = false;
+
+  if (args.length () > 0)
+    show_hidden = args(0).bool_value ();
+
+  return octave_value (gh_manager::figure_handle_list (show_hidden));
 }
 
 DEFUN (__go_execute_callback__, args, ,
@@ -8805,7 +8961,7 @@
 
       if (args.length () == 0 || args.length () == 1)
         {
-          Matrix hlist = gh_manager::figure_handle_list ();
+          Matrix hlist = gh_manager::figure_handle_list (true);
 
           for (int i = 0; ! error_state && i < hlist.length (); i++)
             {
--- a/src/graphics.h.in	Wed Nov 16 18:51:04 2011 +0000
+++ b/src/graphics.h.in	Wed Nov 16 14:37:55 2011 -0500
@@ -221,7 +221,11 @@
     {
       Matrix retval (m.rows (), m.cols ());
 
-      do_scale (m.data (), retval.fortran_vec (), m.numel ());
+      if (m.any_element_is_positive ())
+        do_scale (m.data (), retval.fortran_vec (), m.numel ());
+      else
+        do_neg_scale (m.data (), retval.fortran_vec (), m.numel ());
+
       return retval;
     }
 
@@ -229,7 +233,11 @@
     {
       NDArray retval (m.dims ());
 
-      do_scale (m.data (), retval.fortran_vec (), m.numel ());
+      if (m.any_element_is_positive ())
+        do_scale (m.data (), retval.fortran_vec (), m.numel ());
+      else
+        do_neg_scale (m.data (), retval.fortran_vec (), m.numel ());
+
       return retval;
     }
 
@@ -248,6 +256,12 @@
       for (int i = 0; i < n; i++)
         dest[i] = log10(src[i]);
     }
+
+  void do_neg_scale (const double *src, double *dest, int n) const
+    {
+      for (int i = 0; i < n; i++)
+        dest[i] = -log10(-src[i]);
+    }
 };
 
 class scaler
@@ -1697,6 +1711,21 @@
       do_delete_children (clear);
     }
 
+  void renumber (graphics_handle old_gh, graphics_handle new_gh)
+    {
+      for (children_list_iterator p = children_list.begin ();
+           p != children_list.end (); p++)
+        {
+          if (*p == old_gh)
+            {
+              *p = new_gh.value ();
+              return;
+            }
+        }
+
+      error ("children_list::renumber: child not found!");
+    }
+
 private:
   typedef std::list<double>::iterator children_list_iterator;
   typedef std::list<double>::const_iterator const_children_list_iterator;
@@ -2259,6 +2288,11 @@
 
   void override_defaults (base_graphics_object& obj);
 
+  virtual void init_integerhandle (const octave_value&)
+    {
+      panic_impossible ();
+    }
+
   // Look through DEFAULTS for properties with given CLASS_NAME, and
   // apply them to the current object with set (virtual method).
 
@@ -2363,6 +2397,16 @@
       children.delete_children (clear);
     }
 
+  void renumber_child (graphics_handle old_gh, graphics_handle new_gh)
+    {
+      children.renumber (old_gh, new_gh);
+    }
+
+  void renumber_parent (graphics_handle new_gh)
+    {
+      parent = new_gh;
+    }
+
   static property_list::pval_map_type factory_defaults (void);
 
   // FIXME -- these functions should be generated automatically by the
@@ -3061,6 +3105,11 @@
   class OCTINTERP_API properties : public base_properties
   {
   public:
+    void init_integerhandle (const octave_value& val)
+      {
+        integerhandle = val;
+      }
+
     void remove_child (const graphics_handle& h);
 
     void set_visible (const octave_value& val);
@@ -3139,7 +3188,7 @@
       bool_property dockcontrols , "off"
       bool_property doublebuffer , "on"
       string_property filename , ""
-      bool_property integerhandle , "on"
+      bool_property integerhandle S , "on"
       bool_property inverthardcopy , "off"
       callback_property keypressfcn , Matrix ()
       callback_property keyreleasefcn , Matrix ()
@@ -3514,10 +3563,10 @@
       radio_property zlimmode al , "{auto}|manual"
       radio_property climmode al , "{auto}|manual"
       radio_property alimmode    , "{auto}|manual"
-      handle_property xlabel SOf , gh_manager::make_graphics_handle ("text", __myhandle__, false, false)
-      handle_property ylabel SOf , gh_manager::make_graphics_handle ("text", __myhandle__, false, false)
-      handle_property zlabel SOf , gh_manager::make_graphics_handle ("text", __myhandle__, false, false)
-      handle_property title SOf , gh_manager::make_graphics_handle ("text", __myhandle__, false, false)
+      handle_property xlabel SOf , gh_manager::make_graphics_handle ("text", __myhandle__, false, false, false)
+      handle_property ylabel SOf , gh_manager::make_graphics_handle ("text", __myhandle__, false, false, false)
+      handle_property zlabel SOf , gh_manager::make_graphics_handle ("text", __myhandle__, false, false, false)
+      handle_property title SOf , gh_manager::make_graphics_handle ("text", __myhandle__, false, false, false)
       bool_property xgrid , "off"
       bool_property ygrid , "off"
       bool_property zgrid , "off"
@@ -4254,7 +4303,7 @@
       array_property vertices , Matrix ()
       array_property vertexnormals , Matrix ()
       radio_property normalmode , "{auto}|manual"
-      color_property facecolor , "{flat}|none|interp"
+      color_property facecolor , color_property (color_values (0, 0, 0), radio_values ("flat|none|interp"))
       double_radio_property facealpha , double_radio_property (1.0, radio_values ("flat|interp"))
       radio_property facelighting , "flat|{none}|gouraud|phong"
       color_property edgecolor , color_property (color_values (0, 0, 0), radio_values ("flat|none|interp"))
@@ -4370,7 +4419,7 @@
       string_property ydatasource , ""
       string_property zdatasource , ""
       string_property cdatasource , ""
-      color_property facecolor , "{flat}|none|interp|texturemap"
+      color_property facecolor , "{flat}|none|interp"
       double_radio_property facealpha , double_radio_property (1.0, radio_values ("flat|interp"))
       color_property edgecolor , color_property (color_values (0, 0, 0), radio_values ("flat|none|interp"))
       radio_property linestyle , "{-}|--|:|-.|none"
@@ -4645,7 +4694,7 @@
       {
         position.add_constraint (dim_vector (1, 2));
         position.add_constraint (dim_vector (2, 1));
-        visible.set (octave_value (false));
+        visible.set (octave_value (true));
       }
   };
 
@@ -5133,12 +5182,25 @@
     return retval;
   }
 
+  static graphics_handle get_handle (bool integer_figure_handle)
+  {
+    return instance_ok ()
+      ? instance->do_get_handle (integer_figure_handle) : graphics_handle ();
+  }
+
   static void free (const graphics_handle& h)
   {
     if (instance_ok ())
       instance->do_free (h);
   }
 
+  static void renumber_figure (const graphics_handle& old_gh,
+                               const graphics_handle& new_gh)
+  {
+    if (instance_ok ())
+      instance->do_renumber_figure (old_gh, new_gh);
+  }
+
   static graphics_handle lookup (double val)
   {
     return instance_ok () ? instance->do_lookup (val) : graphics_handle ();
@@ -5162,12 +5224,15 @@
 
   static graphics_handle
   make_graphics_handle (const std::string& go_name,
-                        const graphics_handle& parent, bool do_createfcn = true,
+                        const graphics_handle& parent,
+                        bool integer_figure_handle = false,
+                        bool do_createfcn = true,
                         bool do_notify_toolkit = true)
   {
     return instance_ok ()
-      ? instance->do_make_graphics_handle (go_name, parent, do_createfcn,
-                                           do_notify_toolkit)
+      ? instance->do_make_graphics_handle (go_name, parent,
+                                           integer_figure_handle,
+                                           do_createfcn, do_notify_toolkit)
       : graphics_handle ();
   }
 
@@ -5197,9 +5262,10 @@
       ? instance->do_current_figure () : graphics_handle ();
   }
 
-  static Matrix handle_list (void)
+  static Matrix handle_list (bool show_hidden = false)
   {
-    return instance_ok () ? instance->do_handle_list () : Matrix ();
+    return instance_ok ()
+      ? instance->do_handle_list (show_hidden) : Matrix ();
   }
 
   static void lock (void)
@@ -5222,9 +5288,10 @@
       instance->do_unlock ();
   }
   
-  static Matrix figure_handle_list (void)
+  static Matrix figure_handle_list (bool show_hidden = false)
   {
-    return instance_ok () ? instance->do_figure_handle_list () : Matrix ();
+    return instance_ok ()
+      ? instance->do_figure_handle_list (show_hidden) : Matrix ();
   }
 
   static void execute_listener (const graphics_handle& h,
@@ -5367,10 +5434,13 @@
   // A flag telling whether event processing must be constantly on.
   int event_processing;
 
-  graphics_handle get_handle (const std::string& go_name);
+  graphics_handle do_get_handle (bool integer_figure_handle);
 
   void do_free (const graphics_handle& h);
 
+  void do_renumber_figure (const graphics_handle& old_gh,
+                           const graphics_handle& new_gh);
+
   graphics_handle do_lookup (double val)
   {
     iterator p = (xisnan (val) ? handle_map.end () : handle_map.find (val));
@@ -5386,34 +5456,48 @@
   }
 
   graphics_handle do_make_graphics_handle (const std::string& go_name,
-                                           const graphics_handle& p, bool do_createfcn,
+                                           const graphics_handle& p,
+                                           bool integer_figure_handle,
+                                           bool do_createfcn,
                                            bool do_notify_toolkit);
 
   graphics_handle do_make_figure_handle (double val, bool do_notify_toolkit);
 
-  Matrix do_handle_list (void)
+  Matrix do_handle_list (bool show_hidden)
   {
     Matrix retval (1, handle_map.size ());
+
     octave_idx_type i = 0;
     for (const_iterator p = handle_map.begin (); p != handle_map.end (); p++)
       {
         graphics_handle h = p->first;
-        retval(i++) = h.value ();
+
+        if (show_hidden || is_handle_visible (h))
+          retval(i++) = h.value ();
       }
+
+    retval.resize (1, i);
+
     return retval;
   }
 
-  Matrix do_figure_handle_list (void)
+  Matrix do_figure_handle_list (bool show_hidden)
   {
     Matrix retval (1, figure_list.size ());
+
     octave_idx_type i = 0;
     for (const_figure_list_iterator p = figure_list.begin ();
          p != figure_list.end ();
          p++)
       {
         graphics_handle h = *p;
-        retval(i++) = h.value ();
+
+        if (show_hidden || is_handle_visible (h))
+          retval(i++) = h.value ();
       }
+
+    retval.resize (1, i);
+
     return retval;
   }
 
@@ -5423,7 +5507,19 @@
 
   graphics_handle do_current_figure (void) const
   {
-    return figure_list.empty () ? graphics_handle () : figure_list.front ();
+    graphics_handle retval;
+
+    for (const_figure_list_iterator p = figure_list.begin ();
+         p != figure_list.end ();
+         p++)
+      {
+        graphics_handle h = *p;
+
+        if (is_handle_visible (h))
+          retval = h;
+      }
+
+    return retval;
   }
 
   void do_lock (void) { graphics_lock.lock (); }
--- a/src/help.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/src/help.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -152,43 +152,43 @@
   pair_type ("#{",
     "-*- texinfo -*-\n\
 @deftypefn {Operator} {} #@{\n\
-Begin block comment. There must be nothing else other than\n\
-whitespace in the line, both before and after @code{#@{}. Also,\n\
-it is possible to nest block comments.\n\
-@seealso{#, #@}, %@{}\n\
+Begin block comment.  There must be nothing else, other than\n\
+whitespace, in the line both before and after @code{#@{}.\n\
+It is possible to nest block comments.\n\
+@seealso{%@{, #@}, #}\n\
 @end deftypefn"),
 
   pair_type ("%{",
     "-*- texinfo -*-\n\
 @deftypefn {Operator} {} %@{\n\
-Begin block comment. There must be nothing else other than\n\
-whitespace in the line, both before and after @code{%@{}. Also,\n\
-it is possible to nest block comments.\n\
-@seealso{%, %@}, #@{}\n\
+Begin block comment.  There must be nothing else, other than\n\
+whitespace, in the line both before and after @code{%@{}.\n\
+It is possible to nest block comments.\n\
+@seealso{#@{, %@}, %}\n\
 @end deftypefn"),
 
   pair_type ("#}",
     "-*- texinfo -*-\n\
 @deftypefn {Operator} {} #@}\n\
-Close block comment. There must be nothing else other than\n\
-whitespace in the line, both before and after @code{#@}}. Also,\n\
-it is possible to nest block comments.\n\
-@seealso{#, #@{, %@}}\n\
+Close block comment.  There must be nothing else, other than\n\
+whitespace, in the line both before and after @code{#@}}.\n\
+It is possible to nest block comments.\n\
+@seealso{%@}, #@{, #}\n\
 @end deftypefn"),
 
   pair_type ("%}",
     "-*- texinfo -*-\n\
 @deftypefn {Operator} {} %@}\n\
-Close block comment. There must be nothing else other than\n\
-whitespace in the line, both before and after @code{%@}}. Also,\n\
-it is possible to nest block comments.\n\
-@seealso{%, %@{, #@}}\n\
+Close block comment.  There must be nothing else, other than\n\
+whitespace, in the line both before and after @code{%@}}.\n\
+It is possible to nest block comments.\n\
+@seealso{#@}, %@{, %}\n\
 @end deftypefn"),
 
   pair_type ("...",
     "-*- texinfo -*-\n\
 @deftypefn {Operator} {} ...\n\
-Continuation marker. Joins current line with following line.\n\
+Continuation marker.  Joins current line with following line.\n\
 @end deftypefn"),
 
   pair_type ("&",
@@ -208,12 +208,12 @@
   pair_type ("'",
     "-*- texinfo -*-\n\
 @deftypefn {Operator} {} '\n\
-Matrix transpose operator. For complex matrices, computes the\n\
+Matrix transpose operator.  For complex matrices, computes the\n\
 complex conjugate (Hermitian) transpose.\n\
 \n\
 The single quote character may also be used to delimit strings, but\n\
 it is better to use the double quote character, since that is never\n\
-ambiguous\n\
+ambiguous.\n\
 @seealso{.', transpose}\n\
 @end deftypefn"),
 
@@ -260,7 +260,7 @@
   pair_type ("++",
     "-*- texinfo -*-\n\
 @deftypefn {Operator} {} ++\n\
-Increment operator. As in C, may be applied as a prefix or postfix\n\
+Increment operator.  As in C, may be applied as a prefix or postfix\n\
 operator.\n\
 @seealso{--}\n\
 @end deftypefn"),
@@ -281,7 +281,7 @@
   pair_type ("--",
     "-*- texinfo -*-\n\
 @deftypefn {Operator} {} --\n\
-Decrement operator. As in C, may be applied as a prefix or postfix\n\
+Decrement operator.  As in C, may be applied as a prefix or postfix\n\
 operator.\n\
 @seealso{++}\n\
 @end deftypefn"),
@@ -289,7 +289,7 @@
   pair_type (".'",
     "-*- texinfo -*-\n\
 @deftypefn {Operator} {} .'\n\
-Matrix transpose operator. For complex matrices, computes the\n\
+Matrix transpose operator.  For complex matrices, computes the\n\
 transpose, @emph{not} the complex conjugate transpose.\n\
 @seealso{', transpose}\n\
 @end deftypefn"),
@@ -628,7 +628,7 @@
 endparfor\n\
 @end group\n\
 @end example\n\
-@seealso{do, for, while}\n\
+@seealso{for, do, while}\n\
 @end deftypefn"),
 
   pair_type ("persistent",
--- a/src/mex.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/src/mex.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -1274,10 +1274,17 @@
 
   int get_string (char *buf, mwSize buflen) const
   {
-    int retval = 1;
+    int retval = 0;
 
     mwSize nel = get_number_of_elements ();
 
+    if (! (nel < buflen))
+      {
+        retval = 1;
+        if (buflen > 0)
+          nel = buflen-1;
+      }
+
     if (nel < buflen)
       {
         mxChar *ptr = static_cast<mxChar *> (pr);
--- a/src/oct-map.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/src/oct-map.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -664,6 +664,7 @@
 octave_map::cat (int dim, octave_idx_type n, const octave_scalar_map *map_list)
 {
   octave_map retval;
+
   // Allow dim = -1, -2 for compatibility, though it makes no difference here.
   if (dim == -1 || dim == -2)
     dim = -dim - 1;
@@ -671,7 +672,9 @@
     (*current_liboctave_error_handler)
       ("cat: invalid dimension");
 
-  if (n > 0)
+  if (n == 1)
+    retval = map_list[0];
+  else if (n > 1)
     {
       octave_idx_type idx, nf = 0;
       for (idx = 0; idx < n; idx++)
@@ -726,9 +729,20 @@
 octave_map::cat (int dim, octave_idx_type n, const octave_map *map_list)
 {
   octave_map retval;
-  if (n > 0)
+
+  // Allow dim = -1, -2 for compatibility, though it makes no difference here.
+  if (dim == -1 || dim == -2)
+    dim = -dim - 1;
+  else if (dim < 0)
+    (*current_liboctave_error_handler)
+      ("cat: invalid dimension");
+
+  if (n == 1)
+    retval = map_list[0];
+  else if (n > 1)
     {
       octave_idx_type idx, nf = 0;
+
       for (idx = 0; idx < n; idx++)
         {
           nf = map_list[idx].nfields ();
@@ -752,20 +766,29 @@
         do_cat (dim, n, map_list, retval);
       else
         {
-          // permute all structures to correct order.
-          OCTAVE_LOCAL_BUFFER (octave_map, new_map_list, n);
+          if (nf > 0)
+            {
+              // permute all structures to correct order.
+              OCTAVE_LOCAL_BUFFER (octave_map, new_map_list, n);
 
-          permute_to_correct_order (n, nf, idx, map_list, new_map_list);
+              permute_to_correct_order (n, nf, idx, map_list, new_map_list);
 
-          if (nf > 0)
-            do_cat (dim, n, new_map_list, retval);
+              do_cat (dim, n, new_map_list, retval);
+            }
           else
             {
-              // Use dummy arrays. FIXME: Need(?) a better solution.
-              OCTAVE_LOCAL_BUFFER (Array<char>, dummy, n);
-              for (octave_idx_type i = 0; i < n; i++)
-                dummy[i].clear (map_list[i].dimensions);
-              Array<char>::cat (dim, n, dummy);
+              dim_vector dv = map_list[0].dimensions;
+
+              for (octave_idx_type i = 1; i < n; i++)
+                {
+                  if (! dv.concat (map_list[i].dimensions, dim))
+                    {
+                      error ("dimension mismatch in struct concatenation");
+                      return retval;
+                    }
+                }
+
+              retval.dimensions = dv;
             }
         }
 
@@ -781,6 +804,18 @@
 %!  x(1, 1).d = 10; x(4, 6).a = "b"; x(2, 4).f = 27;
 %!  y(1, 6).f = 11; y(1, 6).a = "c"; y(1, 6).d = 33;
 %!  assert (fieldnames ([x; y]), {"d"; "a"; "f"});
+
+%!test
+%!  s = struct ();
+%!  sr = [s,s];
+%!  sc = [s;s];
+%!  sm = [s,s;s,s];
+%!  assert (nfields (sr), 0);
+%!  assert (nfields (sc), 0);
+%!  assert (nfields (sm), 0);
+%!  assert (size (sr), [1, 2]);
+%!  assert (size (sc), [2, 1]);
+%!  assert (size (sm), [2, 2]);
 */
 
 octave_map
--- a/src/oct-parse.yy	Wed Nov 16 18:51:04 2011 +0000
+++ b/src/oct-parse.yy	Wed Nov 16 14:37:55 2011 -0500
@@ -1901,11 +1901,7 @@
 
   octave_value::binary_op op_type = e->op_type ();
 
-  if (op1->is_constant () && op2->is_constant ()
-      && (! ((warning_enabled ("Octave:associativity-change")
-              && (op_type == POW || op_type == EPOW))
-             || (warning_enabled ("Octave:precedence-change")
-                 && (op_type == EXPR_OR || op_type == EXPR_OR_OR)))))
+  if (op1->is_constant () && op2->is_constant ())
     {
       octave_value tmp = e->rvalue1 ();
 
@@ -2150,36 +2146,6 @@
   return retval;
 }
 
-static void
-maybe_warn_associativity_change (tree_expression *op)
-{
-  if (op->paren_count () == 0 && op->is_binary_expression ())
-    {
-      tree_binary_expression *e
-        = dynamic_cast<tree_binary_expression *> (op);
-
-      octave_value::binary_op op_type = e->op_type ();
-
-      if (op_type == octave_value::op_pow
-          || op_type == octave_value::op_el_pow)
-        {
-          std::string op_str = octave_value::binary_op_as_string (op_type);
-
-          if (curr_fcn_file_full_name.empty ())
-            warning_with_id
-              ("Octave:associativity-change",
-               "meaning may have changed due to change in associativity for %s operator",
-               op_str.c_str ());
-          else
-            warning_with_id
-              ("Octave:associativity-change",
-               "meaning may have changed due to change in associativity for %s operator near line %d, column %d in file `%s'",
-               op_str.c_str (), op->line (), op->column (),
-               curr_fcn_file_full_name.c_str ());
-        }
-    }
-}
-
 // Build a binary expression.
 
 static tree_expression *
@@ -2192,12 +2158,10 @@
     {
     case POW:
       t = octave_value::op_pow;
-      maybe_warn_associativity_change (op1);
       break;
 
     case EPOW:
       t = octave_value::op_el_pow;
-      maybe_warn_associativity_change (op1);
       break;
 
     case '+':
@@ -2270,25 +2234,6 @@
 
     case EXPR_OR:
       t = octave_value::op_el_or;
-      if (op2->paren_count () == 0 && op2->is_binary_expression ())
-        {
-          tree_binary_expression *e
-            = dynamic_cast<tree_binary_expression *> (op2);
-
-          if (e->op_type () == octave_value::op_el_and)
-            {
-              if (curr_fcn_file_full_name.empty ())
-                warning_with_id
-                  ("Octave:precedence-change",
-                   "meaning may have changed due to change in precedence for & and | operators");
-              else
-                warning_with_id
-                  ("Octave:precedence-change",
-                   "meaning may have changed due to change in precedence for & and | operators near line %d, column %d in file `%s'",
-                   op2->line (), op2->column (),
-                   curr_fcn_file_full_name.c_str ());
-            }
-        }
       break;
 
     default:
@@ -2321,16 +2266,6 @@
 
     case EXPR_OR_OR:
       t = tree_boolean_expression::bool_or;
-      if (op2->paren_count () == 0 && op2->is_boolean_expression ())
-        {
-          tree_boolean_expression *e
-            = dynamic_cast<tree_boolean_expression *> (op2);
-
-          if (e->op_type () == tree_boolean_expression::bool_and)
-            warning_with_id
-              ("Octave:precedence-change",
-               "meaning may have changed due to change in precedence for && and || operators");
-        }
       break;
 
     default:
--- a/src/ov-class.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/src/ov-class.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -80,23 +80,120 @@
         error ("parents must be objects");
       else
         {
-          std::string cnm = parent.class_name ();
+          std::string pcnm = parent.class_name ();
 
-          if (find_parent_class (cnm))
+          if (find_parent_class (pcnm))
             error ("duplicate class in parent tree");
           else
             {
-              parent_list.push_back (cnm);
+              parent_list.push_back (pcnm);
 
-              if (map.numel () > 1)
+              octave_idx_type nel = map.numel ();
+              octave_idx_type p_nel = parent.numel ();
+
+              if (nel == 0)
                 {
-                  // If MAP has more than one element, put the parent
-                  // class object in each element.
+                  if (p_nel == 0)
+                    {
+                      // No elements in MAP or the parent class object,
+                      // so just add the field name.
+
+                      map.assign (pcnm, Cell (map.dims ()));
+                    }
+                  else if (p_nel == 1)
+                    {
+                      if (map.nfields () == 0)
+                        {
+                          // No elements or fields in MAP, but the
+                          // parent is class object with one element.
+                          // Resize to match size of parent class and
+                          // make the parent a field in MAP.
+
+                          map.resize (parent.dims ());
+
+                          map.assign (pcnm, parent);
+                        }
+                      else
+                        {
+                          // No elements in MAP, but we have at least
+                          // one field.  So don't resize, just add the
+                          // field name.
 
-                  map.assign (cnm, Cell (map.dims (), parent));
+                          map.assign (pcnm, Cell (map.dims ()));
+                        }
+                    }
+                  else if (map.nfields () == 0)
+                    {
+                      // No elements or fields in MAP and more than one
+                      // element in the parent class object, so we can
+                      // resize MAP to match parent dimsenions, then
+                      // distribute the elements of the parent object to
+                      // the elements of MAP.
+
+                      dim_vector parent_dims = parent.dims ();
+
+                      map.resize (parent_dims);
+
+                      Cell c (parent_dims);
+
+                      octave_map pmap = parent.map_value ();
+
+                      std::list<std::string> plist
+                        = parent.parent_class_name_list ();
+
+                      for (octave_idx_type i = 0; i < p_nel; i++)
+                        c(i) = octave_value (pmap.index(i), pcnm, plist);
+
+                      map.assign (pcnm, c);
+                    }
+                  else
+                    error ("class: parent class dimension mismatch");
+                }
+              else if (nel == 1 && p_nel == 1)
+                {
+                  // Simple assignment.
+
+                  map.assign (pcnm, parent);
                 }
               else
-                map.assign (cnm, parent);
+                {
+                  if (p_nel == 1)
+                    {
+                      // Broadcast the scalar parent class object to
+                      // each element of MAP.
+
+                      Cell pcell (map.dims (), parent);
+
+                      map.assign (pcnm, pcell);
+                    }
+
+                  else if (nel == p_nel)
+                    {
+                      // FIXME -- is there a better way to do this?
+
+                      // The parent class object has the same number of
+                      // elements as the map we are using to create the
+                      // new object, so distribute those elements to
+                      // each element of the new object by first
+                      // splitting the elements of the parent class
+                      // object into a cell array with one element per
+                      // cell.  Then do the assignment all at once.
+
+                      Cell c (parent.dims ());
+
+                      octave_map pmap = parent.map_value ();
+
+                      std::list<std::string> plist
+                        = parent.parent_class_name_list ();
+
+                      for (octave_idx_type i = 0; i < p_nel; i++)
+                        c(i) = octave_value (pmap.index(i), pcnm, plist);
+
+                      map.assign (pcnm, c);
+                    }
+                  else
+                    error ("class: parent class dimension mismatch");
+                }
             }
         }
     }
@@ -334,11 +431,11 @@
     {
       dim_vector dv = dims ();
 
-      int nel = dv.numel ();
+      int nd = dv.length ();
 
-      retval.resize (1, nel);
+      retval.resize (1, nd);
 
-      for (int i = 0; i < nel; i++)
+      for (int i = 0; i < nd; i++)
         retval(i) = dv(i);
     }
 
--- a/src/ov-range.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/src/ov-range.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -661,12 +661,19 @@
 /*
 %!test
 %! x = 0:10;
-%! save = allow_noninteger_range_as_index (0);
-%! fail ('x(2.1:5)');
-%! assert (x(2:5), 1:4);
-%! allow_noninteger_range_as_index (1);
-%! assert (x(2.49:5), 1:3);
-%! assert (x(2.5:5), 2:4);
-%! assert (x(2.51:5), 2:4);
-%! allow_noninteger_range_as_index (save);
+%! save = allow_noninteger_range_as_index ();
+%! warn_state = warning ("query", "Octave:noninteger-range-as-index");
+%! unwind_protect
+%!   save = allow_noninteger_range_as_index (false);
+%!   fail ('x(2.1:5)');
+%!   assert (x(2:5), 1:4);
+%!   allow_noninteger_range_as_index (true);
+%!   warning ("off", "Octave:noninteger-range-as-index");
+%!   assert (x(2.49:5), 1:3);
+%!   assert (x(2.5:5), 2:4);
+%!   assert (x(2.51:5), 2:4);
+%! unwind_protect_cleanup
+%!   allow_noninteger_range_as_index (save);
+%!   warning (warn_state.state, warn_state.identifier);
+%! end_unwind_protect
 */
--- a/src/ov-struct.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/src/ov-struct.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -2029,6 +2029,7 @@
 Convert @var{cell} to a structure.  The number of fields in @var{fields}\n\
 must match the number of elements in @var{cell} along dimension @var{dim},\n\
 that is @code{numel (@var{fields}) == size (@var{cell}, @var{dim})}.\n\
+If @var{dim} is omitted, a value of 1 is assumed.\n\
 \n\
 @example\n\
 @group\n\
@@ -2048,63 +2049,87 @@
 {
   octave_value retval;
 
-  if (args.length () == 3)
+  int nargin = args.length ();
+
+  if (nargin == 2 || nargin == 3)
     {
       if (! args(0).is_cell ())
-        error ("cell2struct: argument CELL must be of type cell");
-      else if (! (args(1).is_cellstr () || args(1).is_char_matrix ()))
-        error ("cell2struct: FIELDS must be a cell array of strings or a character matrix");
-      else if (! args(2).is_real_scalar ())
-        error ("cell2struct: DIM must be a real scalar");
-      else
+        {
+          error ("cell2struct: argument CELL must be of type cell");
+          return retval;
+        }
+
+      if (! (args(1).is_cellstr () || args(1).is_char_matrix ()))
         {
-          const Cell vals = args(0).cell_value ();
-          const Array<std::string> fields = args(1).cellstr_value ();
-          int dim = args(2).int_value () - 1;
-          octave_idx_type ext = 0;
-
-          if (dim < 0)
-            error ("cell2struct: DIM must be a valid dimension");
+          error ("cell2struct: FIELDS must be a cell array of strings or a character matrix");
+          return retval;
+        }
+
+      const Cell vals = args(0).cell_value ();
+      const Array<std::string> fields = args(1).cellstr_value ();
+
+      octave_idx_type ext = 0;
+
+      int dim = 0;
+
+      if (nargin == 3)
+        {
+          if (args(2).is_real_scalar ())
+            {
+              dim = nargin == 2 ? 0 : args(2).int_value () - 1;
+
+              if (error_state)
+                return retval;
+            }
           else
             {
-              ext = vals.ndims () > dim ? vals.dims ()(dim) : 1;
-              if (ext != fields.numel ())
-                error ("cell2struct: number of FIELDS does not match dimension");
-            }
-
-
-          if (! error_state)
-            {
-              int nd = std::max (dim+1, vals.ndims ());
-              // result dimensions.
-              dim_vector rdv = vals.dims ().redim (nd);
-
-              assert (ext == rdv(dim));
-              if (nd == 2)
-                {
-                  rdv(0) = rdv(1-dim);
-                  rdv(1) = 1;
-                }
-              else
-                {
-                  for (int i =  dim + 1; i < nd; i++)
-                    rdv(i-1) = rdv(i);
-
-                  rdv.resize (nd-1);
-                }
-
-              octave_map map (rdv);
-              Array<idx_vector> ia (dim_vector (nd, 1), idx_vector::colon);
-
-              for (octave_idx_type i = 0; i < ext; i++)
-                {
-                  ia(dim) = i;
-                  map.setfield (fields(i), vals.index (ia).reshape (rdv));
-                }
-
-              retval = map;
+              error ("cell2struct: DIM must be a real scalar");
+              return retval;
             }
         }
+
+      if (dim < 0)
+        {
+          error ("cell2struct: DIM must be a valid dimension");
+          return retval;
+        }
+
+      ext = vals.ndims () > dim ? vals.dims ()(dim) : 1;
+
+      if (ext != fields.numel ())
+        {
+          error ("cell2struct: number of FIELDS does not match dimension");
+          return retval;
+        }
+
+      int nd = std::max (dim+1, vals.ndims ());
+      // result dimensions.
+      dim_vector rdv = vals.dims ().redim (nd);
+
+      assert (ext == rdv(dim));
+      if (nd == 2)
+        {
+          rdv(0) = rdv(1-dim);
+          rdv(1) = 1;
+        }
+      else
+        {
+          for (int i =  dim + 1; i < nd; i++)
+            rdv(i-1) = rdv(i);
+
+          rdv.resize (nd-1);
+        }
+
+      octave_map map (rdv);
+      Array<idx_vector> ia (dim_vector (nd, 1), idx_vector::colon);
+
+      for (octave_idx_type i = 0; i < ext; i++)
+        {
+          ia(dim) = i;
+          map.setfield (fields(i), vals.index (ia).reshape (rdv));
+        }
+
+      retval = map;
     }
   else
     print_usage ();
@@ -2122,6 +2147,8 @@
 %!  assert (s, t);
 %!  assert (struct2cell (s), vals');
 %!  assert (fieldnames (s), keys');
+
+%!assert (cell2struct ({1; 2}, {"a"; "b"}), struct ("a", 1, "b", 2));
 */
 
 
--- a/src/ov-usr-fcn.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/src/ov-usr-fcn.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -648,23 +648,33 @@
 
       if (! error_state)
         {
-          octave_value fcn_val = symbol_table::find_user_function (fname);
+          octave_value fcn_val = symbol_table::find_function (fname);
 
-          octave_user_function *fcn = fcn_val.user_function_value (true);
-
-          if (fcn)
+          if (fcn_val.is_user_function ())
             {
-              if (fcn->takes_varargs ())
-                retval = -1;
-              else
+              octave_user_function *fcn = fcn_val.user_function_value (true);
+
+              if (fcn)
                 {
-                  tree_parameter_list *param_list = fcn->parameter_list ();
+                  if (fcn->takes_varargs ())
+                    retval = -1;
+                  else
+                    {
+                      tree_parameter_list *param_list = fcn->parameter_list ();
 
-                  retval = param_list ? param_list->length () : 0;
+                      retval = param_list ? param_list->length () : 0;
+                    }
                 }
+              else
+                error ("nargin: loading user-defined function failed");
             }
           else
-            error ("nargin: invalid function");
+            {
+              // FIXME -- what about built-in functions or functions
+              // defined in .oct files or .mex files?
+
+              error ("nargin: FCN_NAME must be a user-defined function");
+            }
         }
       else
         error ("nargin: FCN_NAME must be a string");
--- a/src/ov.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/src/ov.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -2884,8 +2884,9 @@
 
 DEFUN (is_sq_string, args, ,
   "-*- texinfo -*-\n\
-@deftypefn {Built-in Function} {} is_sq_string (@var{val})\n\
-Return true if @var{val} is a single-quoted character string\n\
+@deftypefn {Built-in Function} {} is_sq_string (@var{x})\n\
+Return true if @var{x} is a single-quoted character string.\n\
+@seealso{is_dq_string, ischar}\n\
 @end deftypefn")
 {
   octave_value retval;
@@ -2909,8 +2910,9 @@
 
 DEFUN (is_dq_string, args, ,
   "-*- texinfo -*-\n\
-@deftypefn {Built-in Function} {} is_dq_string (@var{val})\n\
-Return true if @var{val} is a double-quoted character string\n\
+@deftypefn {Built-in Function} {} is_dq_string (@var{x})\n\
+Return true if @var{x} is a double-quoted character string.\n\
+@seealso{is_sq_string, ischar}\n\
 @end deftypefn")
 {
   octave_value retval;
--- a/src/pt-assign.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/src/pt-assign.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -157,7 +157,12 @@
       const char *nm_c_str = nm.c_str ();
 
       warning_with_id ("Octave:built-in-variable-assignment",
-                       "%s is now a function instead of a built-in variable.  By assigning to %s, you have created a variable that hides the function %s.  To remove the variable and restore the function, type \"clear %s\"",
+                       "\
+In recent versions of Octave, %s is a function instead\n\
+of a built-in variable.\n\n\
+By assigning to %s, you have created a variable that hides\n\
+the function %s. To remove the variable and restore the \n\
+function, type \"clear %s\"\n",
                        nm_c_str, nm_c_str, nm_c_str, nm_c_str);
     }
 }
--- a/src/pt-mat.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/src/pt-mat.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -117,7 +117,6 @@
 
     tm_row_const_rep& operator = (const tm_row_const_rep&);
 
-    void eval_warning (const char *msg, int l, int c) const;
   };
 
 public:
@@ -460,17 +459,6 @@
     }
 }
 
-void
-tm_row_const::tm_row_const_rep::eval_warning (const char *msg, int l,
-                                              int c) const
-{
-  if (l == -1 && c == -1)
-    warning_with_id ("Octave:empty-list-elements", "%s", msg);
-  else
-    warning_with_id ("Octave:empty-list-elements",
-                     "%s near line %d, column %d", msg, l, c);
-}
-
 class
 tm_const : public octave_base_list<tm_row_const>
 {
@@ -546,7 +534,7 @@
   any_cell = false;
   any_sparse = false;
   any_class = false;
-  all_1x1 = ! empty ();
+  all_1x1 = ! tm.empty ();
 
   bool first_elem = true;
   bool first_elem_is_struct = false;
@@ -726,7 +714,7 @@
 maybe_warn_string_concat (bool all_dq_strings_p, bool all_sq_strings_p)
 {
   if (! (all_dq_strings_p || all_sq_strings_p))
-    warning_with_id ("Octave:string-concat",
+    warning_with_id ("Octave:mixed-string-concat",
                      "concatenation of different character string types may have unintended consequences");
 }
 
--- a/src/sysdep.cc	Wed Nov 16 18:51:04 2011 +0000
+++ b/src/sysdep.cc	Wed Nov 16 14:37:55 2011 -0500
@@ -101,28 +101,43 @@
 #endif
 
 #if defined (__WIN32__) && ! defined (_POSIX_VERSION)
+
+#define WIN32_LEAN_AND_MEAN
+#include <tlhelp32.h>
+
 static void
 w32_set_octave_home (void)
 {
-  int n = 1024;
+  std::string bin_dir;
 
-  std::string bin_dir (n, '\0');
+  HANDLE h = CreateToolhelp32Snapshot (TH32CS_SNAPMODULE |
+				       TH32CS_SNAPMODULE32, 0);
 
-  while (true)
+  if (h != INVALID_HANDLE_VALUE)
     {
-      HMODULE hMod = GetModuleHandle ("octinterp");
-      int status = GetModuleFileName (hMod, &bin_dir[0], n);
+      MODULEENTRY32 mod_info;
+
+      ZeroMemory (&mod_info, sizeof (mod_info));
+      mod_info.dwSize = sizeof (mod_info);
 
-      if (status < n)
-        {
-          bin_dir.resize (status);
-          break;
-        }
-      else
-        {
-          n *= 2;
-          bin_dir.resize (n);
-        }
+      if (Module32First (h, &mod_info))
+	{
+	  do
+	    {
+	      std::string mod_name (mod_info.szModule);
+
+	      if (mod_name.find ("octinterp") != std::string::npos)
+		{
+		  bin_dir = mod_info.szExePath;
+		  if (bin_dir[bin_dir.length () - 1] != '\\')
+		    bin_dir.append (1, '\\');
+		  break;
+		}
+	    }
+	  while (Module32Next (h, &mod_info));
+	}
+
+      CloseHandle (h);
     }
 
   if (! bin_dir.empty ())
--- a/test/Makefile.am	Wed Nov 16 18:51:04 2011 +0000
+++ b/test/Makefile.am	Wed Nov 16 14:37:55 2011 -0500
@@ -52,6 +52,7 @@
   test_while.m
 
 include classes/module.mk
+include class-concat/module.mk
 include ctor-vs-method/module.mk
 include fcn-handle-derived-resolution/module.mk
 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/class-concat/@foo/foo.m	Wed Nov 16 14:37:55 2011 -0500
@@ -0,0 +1,3 @@
+function r = foo ()
+  r = class (struct (), 'foo');
+endfunction
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/class-concat/module.mk	Wed Nov 16 14:37:55 2011 -0500
@@ -0,0 +1,5 @@
+class_concat_FCN_FILES = \
+  class-concat/@foo/foo.m \
+  class-concat/test_class_concat.m
+
+FCN_FILES += $(class_concat_FCN_FILES)
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/class-concat/test_class_concat.m	Wed Nov 16 14:37:55 2011 -0500
@@ -0,0 +1,14 @@
+%!test
+%! f = foo ();
+%! x = [f,f];
+%! assert (size (x), [1, 2])
+%! assert (class (x), "foo")
+
+%!test
+%! f = foo ();
+%! x = [f,f];
+%! tmp = num2cell (x);
+%! assert (iscell (tmp))
+%! assert (size (tmp), [1, 2])
+%! assert (class (tmp{1}), "foo")
+%! assert (class (tmp{2}), "foo")
--- a/test/fntests.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/test/fntests.m	Wed Nov 16 14:37:55 2011 -0500
@@ -119,7 +119,7 @@
         && ! strcmp (nm, ".") && ! strcmp (nm, "..")
         && ! strcmp (nm, "private") && nm(1) != "@"
         && ! strcmp (nm, "CVS"))
-      [p, n, xf, sk] = run_test_dir (fid, [d, "/", nm]);
+      [p, n, xf, sk] = run_test_dir (fid, [d, filesep, nm]);
       dp += p;
       dn += n;
       dxf += xf;
@@ -167,7 +167,7 @@
     nm = lst(i).name;
     if (lst(i).isdir && ! strcmp (nm, ".") && ! strcmp (nm, "..")
         && ! strcmp (nm, "CVS"))
-      [p, n, xf, sk] = run_test_script (fid, [d, "/", nm]);
+      [p, n, xf, sk] = run_test_script (fid, [d, filesep, nm]);
       dp += p;
       dn += n;
       dxf += xf;
@@ -186,8 +186,8 @@
       p = n = xf = 0;
       ## Only run if it contains %!test, %!assert %!error or %!warning
       if (has_tests (f))
-        tmp = strrep (f, [topsrcdir, "/"], "");
-        tmp = strrep (tmp, [topbuilddir, "/"], "../");
+        tmp = strrep (f, [topsrcdir, filesep], "");
+        tmp = strrep (tmp, [topbuilddir, filesep], ["..", filesep]);
         print_test_file_name (tmp);
         [p, n, xf, sk] = test (f, "quiet", fid);
         print_pass_fail (n, p);
--- a/test/test_index-wfi-f.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/test/test_index-wfi-f.m	Wed Nov 16 14:37:55 2011 -0500
@@ -18,318 +18,211 @@
 
 %% test/octave.test/index-wfi-f/s-1.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [];
 %! assert(isempty (a));
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/s-2.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = 1;
 %! assert(a(1),1);
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/s-3.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = 1;
 %! assert(a(:),1);
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/s-4.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = 1;
 %! assert(a(:,:),1);
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/s-5.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = 1;
 %! assert(a(1,:),1);
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/s-6.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = 1;
 %! assert(a(:,1),1);
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/s-7.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = 1;
 %! assert(isempty (a(logical (0))));
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/s-8.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = 1;
 %! fail("a(-1)");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/s-9.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = 1;
 %! fail("a(2);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/s-10.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = 1;
 %! fail("a(2,:);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/s-11.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = 1;
 %! fail("a(:,2);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/s-12.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = 1;
 %! fail("a(-1,:);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/s-13.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = 1;
 %! fail("a(:,-1);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/s-14.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = 1;
 %! fail("a([1,2,3]);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/s-15.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = 1;
 %! fail("a([1;2;3]);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/s-16.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = 1;
 %! fail("a([1,2;3,4]);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/s-17.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = 1;
 %! fail("a([0,1]);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/s-18.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = 1;
 %! fail("a([0;1]);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/s-19.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = 1;
 %! fail("a([-1,0]);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/s-20.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = 1;
 %! fail("a([-1;0]);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/v-1.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! assert(a(1),4);
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/v-2.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! assert(a(2),3);
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/v-3.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! assert(all (a(:) == a_prime));
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/v-4.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! assert(all (a(1,:) == a));
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/v-5.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! assert(a(:,3),2);
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/v-6.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! assert(all (a(:,:) == a));
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/v-7.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! assert(all (a(logical ([0,1,1,0])) == mid_a));
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/v-8.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! fail("a(0);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/v-9.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! fail("a(5);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/v-10.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! fail("a(0,1);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/v-11.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! assert(isempty (a(logical (0),:)));
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/v-12.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! fail("a(:,0);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/v-13.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! assert(isempty (a([])));
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/v-14.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! assert(isempty (a([],:)));
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/v-15.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! assert(isempty (a(:,[])));
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/m-1.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [1,2;3,4];
 %! a_fvec = [1;3;2;4];
 %! a_col_1 = [1;3];
@@ -337,12 +230,9 @@
 %! a_row_1 = [1,2];
 %! a_row_2 = [3,4];
 %! assert(all (all (a(:,:) == a)));
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/m-2.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [1,2;3,4];
 %! a_fvec = [1;3;2;4];
 %! a_col_1 = [1;3];
@@ -350,12 +240,9 @@
 %! a_row_1 = [1,2];
 %! a_row_2 = [3,4];
 %! assert(all (a(:) == a_fvec));
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/m-3.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [1,2;3,4];
 %! a_fvec = [1;3;2;4];
 %! a_col_1 = [1;3];
@@ -363,12 +250,9 @@
 %! a_row_1 = [1,2];
 %! a_row_2 = [3,4];
 %! fail("a(0);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-f/m-4.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [1,2;3,4];
 %! a_fvec = [1;3;2;4];
 %! a_col_1 = [1;3];
@@ -376,7 +260,6 @@
 %! a_row_1 = [1,2];
 %! a_row_2 = [3,4];
 %! assert(a(2),3);
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% Additional tests
 %!shared a, b
--- a/test/test_index-wfi-t.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/test/test_index-wfi-t.m	Wed Nov 16 14:37:55 2011 -0500
@@ -18,318 +18,211 @@
 
 %% test/octave.test/index-wfi-t/s-1.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [];
 %! assert(isempty (a));
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/s-2.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = 1;
 %! assert(a(1),1);
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/s-3.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = 1;
 %! assert(a(:),1);
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/s-4.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = 1;
 %! assert(a(:,:),1);
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/s-5.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = 1;
 %! assert(a(1,:),1);
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/s-6.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = 1;
 %! assert(a(:,1),1);
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/s-7.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = 1;
 %! assert(isempty (a(logical (0))));
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/s-8.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = 1;
 %! fail("a(-1);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/s-9.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = 1;
 %! fail("a(2);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/s-10.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = 1;
 %! fail("a(2,:);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/s-11.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = 1;
 %! fail("a(:,2);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/s-12.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = 1;
 %! fail("a(-1,:);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/s-13.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = 1;
 %! fail("a(:,-1);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/s-14.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = 1;
 %! fail("a([1,2,3]);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/s-15.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = 1;
 %! fail("a([1;2;3]);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/s-16.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = 1;
 %! fail("a([1,2;3,4]);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/s-17.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = 1;
 %! fail("a([0,1]);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/s-18.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = 1;
 %! fail("a([0;1]);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/s-19.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = 1;
 %! fail("a([-1,0]);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/s-20.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = 1;
 %! fail("a([-1;0]);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/v-1.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! assert(a(1),4);
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/v-2.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! assert(a(2),3);
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/v-3.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! assert(all (a(:) == a_prime));
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/v-4.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! assert(all (a(1,:) == a));
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/v-5.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! assert(a(:,3),2);
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/v-6.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! assert(all (a(:,:) == a));
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/v-7.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! assert(all (a(logical ([0,1,1,0])) == mid_a));
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/v-8.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! fail("a(0);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/v-9.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! fail("a(5);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/v-10.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! fail("a(0,1);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/v-11.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! assert(isempty (a(logical (0),:)));
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/v-12.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! fail("a(:,0);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/v-13.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! assert(isempty (a([])));
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/v-14.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! assert(isempty (a([],:)));
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/v-15.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [4,3,2,1];
 %! a_prime = [4;3;2;1];
 %! mid_a = [3,2];
 %! assert(isempty (a(:,[])));
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/m-1.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [1,2;3,4];
 %! a_fvec = [1;3;2;4];
 %! a_col_1 = [1;3];
@@ -337,12 +230,9 @@
 %! a_row_1 = [1,2];
 %! a_row_2 = [3,4];
 %! assert(all (all (a(:,:) == a)));
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/m-2.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [1,2;3,4];
 %! a_fvec = [1;3;2;4];
 %! a_col_1 = [1;3];
@@ -350,12 +240,9 @@
 %! a_row_1 = [1,2];
 %! a_row_2 = [3,4];
 %! assert(all (a(:) == a_fvec));
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/m-3.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [1,2;3,4];
 %! a_fvec = [1;3;2;4];
 %! a_col_1 = [1;3];
@@ -363,12 +250,9 @@
 %! a_row_1 = [1,2];
 %! a_row_2 = [3,4];
 %! fail("a(0);");
-%! warning (wfi.state, "Octave:fortran-indexing");
 
 %% test/octave.test/index-wfi-t/m-4.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [1,2;3,4];
 %! a_fvec = [1;3;2;4];
 %! a_col_1 = [1;3];
@@ -376,4 +260,3 @@
 %! a_row_1 = [1,2];
 %! a_row_2 = [3,4];
 %! fail("a(2);","warning");
-%! warning (wfi.state, "Octave:fortran-indexing");
--- a/test/test_logical-wfi-f.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/test/test_logical-wfi-f.m	Wed Nov 16 14:37:55 2011 -0500
@@ -18,354 +18,222 @@
 
 %% test/octave.test/logical-wfi-f/s-1.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [];
 %! fail("a(0);");
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/s-2.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = 2;
 %! assert(a(1) == 2);
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/s-3.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = 2;
 %! assert(a(1) == 2);
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/s-4.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %!shared a
 %!  a = 2;
 %!error id=Octave:index-out-of-bounds a(logical ([1,1]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/v-1.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8,7,6];
 %! assert(isempty (a(logical ([0,0,0,0]))));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/v-2.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8,7,6];
 %! assert(all (a(logical ([1,1,1,1])) == [9,8,7,6]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/v-3.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8,7,6];
 %! assert(all (a(logical ([0,1,1,0])) == [8,7]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/v-4.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8,7,6];
 %! assert(all (a(logical ([1,1])) == [9,8]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-1.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(isempty (a(logical ([0,0,0,0]))));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-2.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(logical ([1,1,1,1])) == [9,7,8,6]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-3.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(logical ([0,1,1,0])) == [7,8]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-4.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(a(logical (0:1),logical (0:1)) == 6);
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-5.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(logical (0:1),2:-1:1) == [6,7]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-6.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(a(logical (0:1),logical ([0,1])) == 6);
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-7.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(logical (0:1),[2,1]) == [6,7]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-8.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(logical (0:1),:) == [7,6]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-9.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(a(logical (0:1),1) == 7);
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-10.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(logical (0:1),logical ([1,1])) == [7,6]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-11.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(2:-1:1,logical (0:1)) == [6;8]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-12.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(2:-1:1,logical ([0,1])) == [6;8]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-13.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (all (a(2:-1:1,logical ([1,1])) == [7,6;9,8])));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-14.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(a(logical ([0,1]),logical (0:1)) == 6);
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-15.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(logical ([0,1]),2:-1:1) == [6,7]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-16.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(a(logical ([0,1]),logical ([0,1])) == 6);
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-17.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(logical ([0,1]),[2,1]) == [6,7]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-18.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(logical ([0,1]),:) == [7,6]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-19.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(a(logical ([0,1]),1) == 7);
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-20.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(logical ([0,1]),logical ([1,1])) == [7,6]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-21.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a([2,1],logical (0:1)) == [6;8]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-22.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a([2,1],logical ([0,1])) == [6;8]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-23.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (all (a([2,1],logical ([1,1])) == [7,6;9,8])));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-24.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(:,logical (0:1)) == [8;6]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-25.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(:,logical ([0,1])) == [8;6]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-26.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (all (a(:,logical ([1,1])) == [9,8;7,6])));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-27.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(a(1,logical (0:1)) == 8);
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-28.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(a(1,logical ([0,1])) == 8);
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-29.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(1,logical ([1,1])) == [9,8]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-30.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(logical ([1,1]),logical (0:1)) == [8;6]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-31.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (all (a(logical ([1,1]),2:-1:1) == [8,9;6,7])));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-32.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(logical ([1,1]),logical ([0,1])) == [8;6]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-33.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (all (a(logical ([1,1]),[2,1]) == [8,9;6,7])));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-34.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (all (a(logical ([1,1]),:) == [9,8;7,6])));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-35.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(logical ([1,1]),1) == [9;7]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-f/m-36.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("off", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (all (a(logical ([1,1]),logical ([1,1])) == [9,8;7,6])));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
--- a/test/test_logical-wfi-t.m	Wed Nov 16 18:51:04 2011 +0000
+++ b/test/test_logical-wfi-t.m	Wed Nov 16 14:37:55 2011 -0500
@@ -18,354 +18,222 @@
 
 %% test/octave.test/logical-wfi-t/s-1.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [];
 %! fail("a(0);");
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/s-2.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = 2;
 %! assert(a(1) == 2);
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/s-3.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = 2;
 %! assert(a(1) == 2);
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/s-4.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %!shared a
 %! a = 2;
 %!error id=Octave:index-out-of-bounds a(logical ([1,1]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/v-1.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8,7,6];
 %! assert(isempty (a(logical ([0,0,0,0]))));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/v-2.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8,7,6];
 %! assert(all (a(logical ([1,1,1,1])) == [9,8,7,6]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/v-3.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8,7,6];
 %! assert(all (a(logical ([0,1,1,0])) == [8,7]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/v-4.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8,7,6];
 %! assert(all (a(logical ([1,1])) == [9,8]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-1.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! isempty (a(logical ([0,0,0,0])));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-2.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! all (a(logical ([1,1,1,1])) == [9,7,8,6]);
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-3.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! all (a(logical ([0,1,1,0])) == [7,8]);
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-4.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(a(logical (0:1),logical (0:1)) == 6);
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-5.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(logical (0:1),2:-1:1) == [6,7]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-6.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(a(logical (0:1),logical ([0,1])) == 6);
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-7.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(logical (0:1),[2,1]) == [6,7]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-8.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(logical (0:1),:) == [7,6]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-9.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(a(logical (0:1),1) == 7);
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-10.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(logical (0:1),logical ([1,1])) == [7,6]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-11.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(2:-1:1,logical (0:1)) == [6;8]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-12.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(2:-1:1,logical ([0,1])) == [6;8]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-13.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (all (a(2:-1:1,logical ([1,1])) == [7,6;9,8])));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-14.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(a(logical ([0,1]),logical (0:1)) == 6);
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-15.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(logical ([0,1]),2:-1:1) == [6,7]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-16.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(a(logical ([0,1]),logical ([0,1])) == 6);
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-17.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(logical ([0,1]),[2,1]) == [6,7]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-18.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(logical ([0,1]),:) == [7,6]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-19.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(a(logical ([0,1]),1) == 7);
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-20.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(logical ([0,1]),logical ([1,1])) == [7,6]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-21.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a([2,1],logical (0:1)) == [6;8]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-22.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a([2,1],logical ([0,1])) == [6;8]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-23.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (all (a([2,1],logical ([1,1])) == [7,6;9,8])));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-24.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(:,logical (0:1)) == [8;6]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-25.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(:,logical ([0,1])) == [8;6]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-26.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (all (a(:,logical ([1,1])) == [9,8;7,6])));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-27.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(a(1,logical (0:1)) == 8);
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-28.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(a(1,logical ([0,1])) == 8);
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-29.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(1,logical ([1,1])) == [9,8]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-30.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(logical ([1,1]),logical (0:1)) == [8;6]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-31.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (all (a(logical ([1,1]),2:-1:1) == [8,9;6,7])));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-32.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(logical ([1,1]),logical ([0,1])) == [8;6]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-33.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (all (a(logical ([1,1]),[2,1]) == [8,9;6,7])));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-34.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (all (a(logical ([1,1]),:) == [9,8;7,6])));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-35.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (a(logical ([1,1]),1) == [9;7]));
-%! warning ("wfi.state", "Octave:fortran-indexing");
 
 %% test/octave.test/logical-wfi-t/m-36.m
 %!test
-%! wfi = warning ("query", "Octave:fortran-indexing");
-%! warning ("on", "Octave:fortran-indexing");
 %! a = [9,8;7,6];
 %! assert(all (all (a(logical ([1,1]),logical ([1,1])) == [9,8;7,6])));
-%! warning ("wfi.state", "Octave:fortran-indexing");