Index: openacs-4/packages/imsld/tcl/imsld-runtime-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/imsld/tcl/imsld-runtime-procs.tcl,v
diff -u -r1.24 -r1.25
--- openacs-4/packages/imsld/tcl/imsld-runtime-procs.tcl	28 Mar 2018 23:36:17 -0000	1.24
+++ openacs-4/packages/imsld/tcl/imsld-runtime-procs.tcl	4 Apr 2018 20:29:50 -0000	1.25
@@ -483,7 +483,7 @@
     mark an environment as shown or hidden. NOTE: not recursively
 } {
 
-    if {![info exist user_id]} {
+    if {![info exists user_id]} {
         set user_id [ad_conn user_id]
     }
     # according to the spec, the environments doesn't have any isvisible attribute
@@ -532,7 +532,7 @@
 } {
     mark an activity structure as show or hidden.
 } {
-    if {![info exist user_id]} {
+    if {![info exists user_id]} {
         set user_id [ad_conn user_id]
     }