# HG changeset patch
# User jwe
# Date 1174409207 0
# Node ID 2efe282221ed58682aa73964d57b8972cf781b14
# Parent  e25f55e1b226442c902b64cbf36790cdb19df28d
[project @ 2007-03-20 16:46:47 by jwe]

diff -r e25f55e1b226 -r 2efe282221ed scripts/ChangeLog
--- a/scripts/ChangeLog	Tue Mar 20 01:09:03 2007 +0000
+++ b/scripts/ChangeLog	Tue Mar 20 16:46:47 2007 +0000
@@ -1,6 +1,11 @@
+2007-03-20  John W. Eaton  <jwe@octave.org>
+
+	* plot/drawnow.m: Make __go_close_all_registered__ persistent
+	instead of global.  From Daniel J Sebald <daniel.sebald@ieee.org>.
+
 2007-03-15  John W. Eaton  <jwe@octave.org>
 
-	* plot/__go_draw_axes__: Make have_newer_gnuplot persistent.
+	* plot/__go_draw_axes__.m: Make have_newer_gnuplot persistent.
 	From Daniel J Sebald <daniel.sebald@ieee.org>.
 
 2007-03-15  Daniel J Sebald  <daniel.sebald@ieee.org>
diff -r e25f55e1b226 -r 2efe282221ed scripts/plot/drawnow.m
--- a/scripts/plot/drawnow.m	Tue Mar 20 01:09:03 2007 +0000
+++ b/scripts/plot/drawnow.m	Tue Mar 20 16:46:47 2007 +0000
@@ -26,12 +26,9 @@
 
 function drawnow (term, file)
 
-  ## Use this instead of persistent and mlock so that drawnow can be
-  ## replaced.
-  global __go_close_all_registered__;
-  if (isempty (__go_close_all_registered__))
-    __lock_global__ ("__go_close_all_registered__");
-  endif
+  ## If drawnow is cleared, it is possible to register __go_close_all__
+  ## more than once, but that is not fatal.
+  persistent __go_close_all_registered__;
 
   ## Use this instead of calling gcf to avoid creating a figure.