--- a/doc/ChangeLog	Wed Mar 21 20:58:08 2007 +0000
+++ b/doc/ChangeLog	Thu Mar 22 18:20:32 2007 +0000
@@ -1,3 +1,7 @@
+2007-03-21  G. D. McBain  <geordie.mcbain@aeromech.usyd.edu.au>
+
+	* interpreter/sparse.txi: Delete repeated word.
+
 2007-03-20  G. D. McBain  <geordie.mcbain@aeromech.usyd.edu.au>
 
 	* interpreter/sparse.txi: Clarify sparse matrix creation example.

--- a/doc/interpreter/sparse.txi	Wed Mar 21 20:58:08 2007 +0000
+++ b/doc/interpreter/sparse.txi	Thu Mar 22 18:20:32 2007 +0000
@@ -506,7 +506,7 @@
 
 will give. The first example of @var{s} raised to the power of 2 causes
 no problems. However @var{s} raised element-wise to itself involves a
-a large number of terms @code{0 .^ 0} which is 1. There @code{@var{s} .^
+large number of terms @code{0 .^ 0} which is 1. There @code{@var{s} .^
 @var{s}} is a full matrix. 
 
 Likewise @code{@var{s} .^ -2} involves terms terms like @code{0 .^ -2} which

--- a/scripts/ChangeLog	Wed Mar 21 20:58:08 2007 +0000
+++ b/scripts/ChangeLog	Thu Mar 22 18:20:32 2007 +0000
@@ -1,3 +1,13 @@
+2007-03-22  John W. Eaton  <jwe@octave.org>
+
+	* plot/__go_draw_axes__.m: If no real data, plot a point at Inf,
+	Inf to show axes.  From Daniel J Sebald <daniel.sebald@ieee.org>.
+
+2007-03-21  John W. Eaton  <jwe@octave.org>
+
+	* linear-algebra/null.m: Set elements of retval with magnitudes
+	less than eps to 0.
+
 2007-03-21  David Bateman  <dbateman@free.fr>
 
 	* plot/__go_draw_axes__.m: Handle some colors with older gnuplot.
@@ -24,7 +34,7 @@
 
 	* plot/clf.m: Don't call drawnow.
 
-2007-03-20  Daniel J Sebald  <daniel.sebald@ieee.org>.
+2007-03-20  Daniel J Sebald  <daniel.sebald@ieee.org>
 
 	* image/__img__.m: Maybe set yaxis to reverse for images.
 	* plot/__go_draw_axes__.m: Don't add flipy to gnuplot command for

--- a/scripts/linear-algebra/null.m	Wed Mar 21 20:58:08 2007 +0000
+++ b/scripts/linear-algebra/null.m	Thu Mar 22 18:20:32 2007 +0000
@@ -61,6 +61,7 @@
 
     if (rank < cols)
       retval = V (:, rank+1:cols);
+      retval(abs (retval) < eps) = 0;
     else
       retval = zeros (cols, 0);
     endif

--- a/scripts/plot/__go_draw_axes__.m	Wed Mar 21 20:58:08 2007 +0000
+++ b/scripts/plot/__go_draw_axes__.m	Thu Mar 22 18:20:32 2007 +0000
@@ -349,7 +349,7 @@
 
 	case "line"
 	  data_idx++;
-	  filespec{data_idx} = '-';
+	  filespec{data_idx} = "-";
 	  if (isempty (obj.keylabel))
 	    titlespec{data_idx} = "title \"\"";
 	  else
@@ -485,7 +485,7 @@
 	case "surface"
 	  data_idx++;
 	  [style, typ] = do_linestyle_command (obj, data_idx, plot_stream);
-	  filespec{data_idx} = '-';
+	  filespec{data_idx} = "-";
 	  if (isempty (obj.keylabel))
 	    titlespec{data_idx} = "title \"\"";
 	  else
@@ -723,6 +723,8 @@
 	  fputs (plot_stream, "e\n");
 	endif
       endfor
+    else
+      fputs (plot_stream, "plot \"-\";\nInf Inf\ne\n");
     endif
 
     fflush (plot_stream);

--- a/src/ChangeLog	Wed Mar 21 20:58:08 2007 +0000
+++ b/src/ChangeLog	Thu Mar 22 18:20:32 2007 +0000
@@ -1,5 +1,12 @@
+2007-03-22  John W. Eaton  <jwe@octave.org>
+
+	* src/parse.y (Fautoload): Use warning_with_id.
+
 2007-03-21  John W. Eaton  <jwe@octave.org>
 
+	* DLD-FUNCTIONS/__qp__.cc (ABS): Delete.  Use std::abs instead.
+	(null): Set elements of retval with magnitudes less than eps to 0.
+
 	* error.cc (Fwarning): Allow setting options with struct.
 	If setting options, return previous state.
 

--- a/src/DLD-FUNCTIONS/__qp__.cc	Wed Mar 21 20:58:08 2007 +0000
+++ b/src/DLD-FUNCTIONS/__qp__.cc	Thu Mar 22 18:20:32 2007 +0000
@@ -39,12 +39,6 @@
 #include "pr-output.h"
 #include "utils.h"
 
-static inline double
-ABS (double x)
-{
-  return x < 0 ? -x : x;
-}
-
 static Matrix
 null (const Matrix& A, octave_idx_type& rank)
 {
@@ -81,6 +75,10 @@
 	retval = V.extract (0, rank, A_nc-1, A_nc-1);
       else
 	retval.resize (A_nc, 0);
+
+      for (octave_idx_type i = 0; i < retval.numel (); i++)
+	if (std::abs (retval(i)) < DBL_EPSILON)
+	  retval(i) = 0;
     }
 
   return retval;
@@ -125,7 +123,7 @@
 
       for (octave_idx_type i = 0; i < n_in; i++)
 	{
-	  res(i) /= (1.0 + ABS (bin(i)));
+	  res(i) /= (1.0 + std::abs (bin(i)));
 
 	  if (res(i) < rtol)
 	    {
@@ -304,7 +302,7 @@
       // Checking the step-size.
       ColumnVector abs_p (n);
       for (octave_idx_type i = 0; i < n; i++)
-	abs_p(i) = ABS (p(i));
+	abs_p(i) = std::abs (p(i));
       double max_p = abs_p.max ();
 
       if (max_p < rtol)

--- a/src/parse.y	Wed Mar 21 20:58:08 2007 +0000
+++ b/src/parse.y	Thu Mar 22 18:20:32 2007 +0000
@@ -3568,8 +3568,9 @@
 	  std::string nm = argv[2];
 
 	  if (! octave_env::absolute_pathname (nm))
-	    warning ("autoload: `%s' is not an absolute file name",
-		     nm.c_str ());
+	    warning_with_id ("Octave:autoload-relative-file-name",
+			     "autoload: `%s' is not an absolute file name",
+			     nm.c_str ());
 
 	  autoload_map[argv[1]] = nm;
 	}