Index: openacs-4/packages/wp-slim/www/presentation-revisions.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/wp-slim/www/presentation-revisions.tcl,v
diff -u -r1.10 -r1.11
--- openacs-4/packages/wp-slim/www/presentation-revisions.tcl	7 Aug 2014 13:00:22 -0000	1.10
+++ openacs-4/packages/wp-slim/www/presentation-revisions.tcl	27 Jun 2015 20:34:42 -0000	1.11
@@ -39,8 +39,8 @@
     set creation_date [lc_time_fmt $creation_date "%X %Q"]
 }
 db_1row get_presentation {}
-set context [list [list "presentation-top?[export_vars -url {pres_item_id}]"  "$pres_title"] "[_ wp-slim.All_Revisions]"]
+set context [list [list [export_vars -base presentation-top {pres_item_id}]  "$pres_title"] "[_ wp-slim.All_Revisions]"]
 
-set return_url [ns_urlencode "presentation-revisions?[export_vars -url {pres_item_id}]"]
+set return_url [ns_urlencode [export_vars -base presentation-revisions {pres_item_id}]]
 
 ad_return_template