Index: openacs-4/packages/rss-support/tcl/rss-support-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/rss-support/tcl/rss-support-procs.tcl,v
diff -u -r1.2 -r1.3
--- openacs-4/packages/rss-support/tcl/rss-support-procs.tcl	24 Feb 2005 13:33:25 -0000	1.2
+++ openacs-4/packages/rss-support/tcl/rss-support-procs.tcl	27 Oct 2014 16:41:53 -0000	1.3
@@ -61,10 +61,10 @@
                       [list p_creation_ip $creation_ip] \
                       [list p_context_id $context_id]
                   ]
-    if {[exists_and_not_null creation_date]} {
+    if {([info exists creation_date] && $creation_date ne "")} {
         lappend var_list [list creation_date $creation_date]
     }
-    if {[exists_and_not_null lastbuild]} {
+    if {([info exists lastbuild] && $lastbuild ne "")} {
         lappend var_list [list p_lastbuild $lastbuild]
     }