# HG changeset patch
# User John W. Eaton <jwe@octave.org>
# Date 1203671136 18000
# Node ID 05eb3486f6507ef91ddc8bd0dd0722f6897208e9
# Parent  59bee17bc1923b7ff7b08c70b66da0ee85949ab0
__stepimp__: don't call subplot for single plot

diff --git a/scripts/ChangeLog b/scripts/ChangeLog
--- a/scripts/ChangeLog
+++ b/scripts/ChangeLog
@@ -1,3 +1,7 @@
+2008-02-22  John W. Eaton  <jwe@octave.org>
+
+	* control/base/__stepimp__.m: Don't use subplot for just one plot.
+
 2008-02-21  John W. Eaton  <jwe@octave.org>
 
 	* image/imshow.m: Call axis ("image").
diff --git a/scripts/control/base/__stepimp__.m b/scripts/control/base/__stepimp__.m
--- a/scripts/control/base/__stepimp__.m
+++ b/scripts/control/base/__stepimp__.m
@@ -237,7 +237,9 @@
     ncols = floor (sqrt (NOUT));
     nrows = ceil (NOUT / ncols);
     for i = 1:NOUT
-      subplot (nrows, ncols, i);
+      if (nrows > 1 || ncols > 1)
+	subplot (nrows, ncols, i);
+      endif
       if (DIGITAL)
 	[ts, ys] = stairs (t, y(i,:));
 	ts = ts(1:2*n-2)';
diff --git a/scripts/plot/__go_draw_axes__.m b/scripts/plot/__go_draw_axes__.m
--- a/scripts/plot/__go_draw_axes__.m
+++ b/scripts/plot/__go_draw_axes__.m
@@ -1273,7 +1273,7 @@
 endfunction
 
 function [style, typ, with] = do_linestyle_command (obj, idx, mono,
-						    plot_stream, errbars)
+						    plot_stream, errbars = "")
 
   persistent have_newer_gnuplot ...
     = compare_versions (__gnuplot_version__ (), "4.0", ">");