Index: openacs-4/packages/dotlrn/tcl/applets-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/tcl/applets-procs.tcl,v
diff -u -r1.24 -r1.25
--- openacs-4/packages/dotlrn/tcl/applets-procs.tcl	1 Nov 2013 21:08:30 -0000	1.24
+++ openacs-4/packages/dotlrn/tcl/applets-procs.tcl	1 Nov 2013 21:54:12 -0000	1.25
@@ -65,7 +65,7 @@
         proc to tell dotlrn to register and/or activate itself. This _must_
         be able to be run multiple times!
     } {
-        if {![empty_string_p [get_applet_id_from_key -applet_key $applet_key]]} {
+        if {[get_applet_id_from_key -applet_key $applet_key] ne ""} {
             return
         }