Index: openacs-4/packages/acs-admin/www/apm/packages-install.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-admin/www/apm/packages-install.tcl,v
diff -u -r1.22.4.3 -r1.22.4.4
--- openacs-4/packages/acs-admin/www/apm/packages-install.tcl	1 Oct 2013 08:47:20 -0000	1.22.4.3
+++ openacs-4/packages/acs-admin/www/apm/packages-install.tcl	2 Oct 2013 07:46:31 -0000	1.22.4.4
@@ -33,7 +33,7 @@
 set all_spec_files $workspace_spec_files
 foreach spec_path $packages_spec_files {
     set spec_filename [file tail $spec_path]
-    if { [lsearch -exact $workspace_filenames $spec_filename] == -1 } {
+    if {$spec_filename ni $workspace_filenames} {
         lappend all_spec_files $spec_path
     }
 }