# HG changeset patch
# User Thinker K.F. Li <thinker@codemud.net>
# Date 1283396430 -28800
# Node ID 5aca6024b14758c9e47a97ddd67938bb7316b7f0
# Parent  84853c8559cf1910162923824f702a4a3173f732
subtree of root coord can not be skept

diff -r 84853c8559cf -r 5aca6024b147 src/redraw_man.c
--- a/src/redraw_man.c	Thu Sep 02 10:59:02 2010 +0800
+++ b/src/redraw_man.c	Thu Sep 02 11:00:30 2010 +0800
@@ -1644,7 +1644,7 @@
     
     /* Add all marked coords into redraw_man_t::zeroing_coords list */
     FOR_COORDS_PREORDER(rdman->root_coord, coord) {
-	if(!coord_is_cached(coord))
+	if(!coord_is_cached(coord) || coord_is_root(coord))
 	    continue;		/* skip coords that is not cached */
 	
 	if(!coord_get_flags(coord, COF_TEMP_MARK)) {