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 -r1.7 -r1.8
--- openacs-4/packages/acs-api-browser/www/tcl-proc-view.tcl	27 Oct 2014 16:39:00 -0000	1.7
+++ openacs-4/packages/acs-api-browser/www/tcl-proc-view.tcl	24 Jun 2015 19:10:41 -0000	1.8
@@ -6,7 +6,7 @@
 } -properties {
     title:onevalue
     context:onevalue
-    tcl_proc:onevalue
+    tcl_proc:onevalue,notnull
 }
 
 set ns_api_index_result [util_memoize [list ::util::http::get -url $::apidoc::ns_api_html_index]]