Index: openacs-4/packages/xotcl-core/tcl/chat-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xotcl-core/tcl/Attic/chat-procs.tcl,v
diff -u -N -r1.22 -r1.23
--- openacs-4/packages/xotcl-core/tcl/chat-procs.tcl	27 Apr 2015 15:28:21 -0000	1.22
+++ openacs-4/packages/xotcl-core/tcl/chat-procs.tcl	16 Jun 2015 20:35:32 -0000	1.23
@@ -230,7 +230,7 @@
       if {![info exists color]} {
         set color [my user_color $user_id]
       }
-      set creator "<a style='color:$color;' target='_blank' href='$url'>$name</a>"
+      set creator "<a style='color:$color;' target='_blank' href='[ns_quotehtml $url]'>$name</a>"
     } elseif { $user_id == 0 } {
       set creator "Nobody"
     } else {