--- loncom/interface/loncommon.pm	2004/12/01 23:18:23	1.237
+++ loncom/interface/loncommon.pm	2004/12/02 18:58:30	1.239
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.237 2004/12/01 23:18:23 raeburn Exp $
+# $Id: loncommon.pm,v 1.239 2004/12/02 18:58:30 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -3376,6 +3376,9 @@ they are plotted.  If undefined, default
 =item @Values: An array of array references.  Each array reference holds data
 to be plotted in a stacked bar chart.
 
+=item If the final element of @Values is a hash reference the key/value
+pairs will be added to the graph definition.
+
 =back
 
 Returns:
@@ -3887,7 +3890,7 @@ sub escape_double {
 #   Escapes the last element of a full URL.
 sub escape_url {
     my ($url)   = @_;
-    my @urlslices = split(/\//, $url);
+    my @urlslices = split(/\//, $url,-1);
     my $lastitem = &Apache::lonnet::escape(pop(@urlslices));
     return join('/',@urlslices).'/'.$lastitem;
 }