doc: Use XREF as anchor prefix in documentation for clearer results in Info viewer. Correctly use @xref, @pxref, @ref macros in documentation. * doc/interpreter/arith.txi, doc/interpreter/basics.txi, doc/interpreter/container.txi, doc/interpreter/debug.txi, doc/interpreter/diagperm.txi, doc/interpreter/eval.txi, doc/interpreter/external.txi, doc/interpreter/func.txi, doc/interpreter/install.txi, doc/interpreter/interp.txi, doc/interpreter/intro.txi, doc/interpreter/java.txi, doc/interpreter/matrix.txi, doc/interpreter/munge-texi.pl, doc/interpreter/numbers.txi, doc/interpreter/package.txi, doc/interpreter/plot.txi, doc/interpreter/sparse.txi, doc/interpreter/stats.txi, doc/interpreter/strings.txi, doc/interpreter/system.txi, doc/interpreter/var.txi, doc/interpreter/vectorize.txi, libinterp/corefcn/error.cc, libinterp/corefcn/qz.cc, libinterp/corefcn/regexp.cc, scripts/general/accumarray.m, scripts/general/structfun.m, scripts/miscellaneous/edit.m, scripts/miscellaneous/setfield.m, scripts/miscellaneous/warning_ids.m, scripts/optimization/fminbnd.m, scripts/optimization/fzero.m, scripts/optimization/lsqnonneg.m: Use XREF as anchor prefix in documentation for clearer results in Info viewer. Correctly use @xref, @pxref, @ref macros in documentation. * scripts/plot/line.m: Remove extra ')' in @deftypefn. * libgui/src/qtinfo/parser.cc(find_ref): Change doc anchor search pattern to XREF.

--- a/doc/interpreter/func.txi	Fri Jul 26 13:15:07 2013 -0700
+++ b/doc/interpreter/func.txi	Sat Jul 27 10:49:21 2013 -0700
@@ -325,7 +325,7 @@
 
 It is possible to use the @code{nthargout} function to obtain only some
 of the return values or several at once in a cell array.
-@ref{Cell Array Objects}
+@xref{Cell Array Objects}.
 
 @DOCSTRING(nthargout)
 
@@ -402,7 +402,7 @@
 
 @DOCSTRING(nargoutchk)
 
-@anchor{docXvarargin} @anchor{docXvarargout}
+@anchor{XREFvarargin} @anchor{XREFvarargout}
 @node Variable-length Argument Lists
 @section Variable-length Argument Lists
 @cindex variable-length argument lists
@@ -1150,7 +1150,7 @@
 A function that has been defined on the command-line.
 
 @item Autoload function
-A function that is marked as autoloaded with @xref{docXautoload}.
+A function that is marked as autoloaded with @xref{XREFautoload,,autoload}.
 
 @item A Function on the Path
 A function that can be found on the users load-path.  There can also be