Index: openacs-4/packages/acs-api-browser/www/tcl-proc-view.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-api-browser/www/tcl-proc-view.tcl,v
diff -u -r1.10.2.1 -r1.10.2.2
--- openacs-4/packages/acs-api-browser/www/tcl-proc-view.tcl	10 Sep 2015 08:21:12 -0000	1.10.2.1
+++ openacs-4/packages/acs-api-browser/www/tcl-proc-view.tcl	13 May 2016 07:08:25 -0000	1.10.2.2
@@ -17,6 +17,7 @@
 # abbreviation in case the full name is not found (e.g. man page "nsv"
 # contains "nsv_array", "nsv_set" etc.)
 #
+set url ""
 for {set i [string length $tcl_proc]} {$i > 1} {incr i -1} {
     set proc [string range $tcl_proc 0 $i]
     set url [apidoc::search_on_webindex \