Index: openacs-4/packages/imsld/tcl/imsld-parse-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/imsld/tcl/imsld-parse-procs.tcl,v
diff -u -N -r1.80 -r1.81
--- openacs-4/packages/imsld/tcl/imsld-parse-procs.tcl	11 Jan 2010 15:56:20 -0000	1.80
+++ openacs-4/packages/imsld/tcl/imsld-parse-procs.tcl	13 Jan 2010 16:08:27 -0000	1.81
@@ -2520,7 +2520,7 @@
             }
         }
 
-        if { $temporal_doc ne "" } {
+        if { [exists_and_not_null temporal_doc] } {
             $temporal_doc delete
         }
 
@@ -2751,7 +2751,7 @@
             }
         }
 
-        if { $temporal_doc ne "" } {
+        if { [exists_and_not_null temporal_doc] } {
             $temporal_doc delete
         }