Index: modules/system/system-rtl.css
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system-rtl.css,v
retrieving revision 1.10
diff -u -p -r1.10 system-rtl.css
--- modules/system/system-rtl.css	4 Dec 2007 10:52:16 -0000	1.10
+++ modules/system/system-rtl.css	4 Dec 2007 11:50:14 -0000
@@ -102,3 +102,9 @@ div.indentation {
   padding: 0.42em 0.6em 0.42em 0;
   float: right;
 }
+div.tree-child {
+  background-position: -65px center;
+}
+div.tree-child-last {
+  background-position: -65px center;
+}
Index: modules/system/system.css
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.css,v
retrieving revision 1.44
diff -u -p -r1.44 system.css
--- modules/system/system.css	4 Dec 2007 10:52:16 -0000	1.44
+++ modules/system/system.css	4 Dec 2007 11:50:14 -0000
@@ -52,10 +52,10 @@ div.indentation {
   float: left; /* LTR */
 }
 div.tree-child {
-  background: url(../../misc/tree.png) no-repeat 11px center;
+  background: url(../../misc/tree.png) no-repeat 11px center; /* LTR */
 }
 div.tree-child-last {
-  background: url(../../misc/tree-bottom.png) no-repeat 11px center;
+  background: url(../../misc/tree-bottom.png) no-repeat 11px center; /* LTR */
 }
 div.tree-child-horizontal {
   background: url(../../misc/tree.png) no-repeat -11px center;