Index: openacs-4/packages/acs-api-browser/www/proc-view.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-api-browser/www/proc-view.tcl,v
diff -u -N -r1.6.16.5 -r1.6.16.6
--- openacs-4/packages/acs-api-browser/www/proc-view.tcl	26 Jul 2014 11:27:29 -0000	1.6.16.5
+++ openacs-4/packages/acs-api-browser/www/proc-view.tcl	29 Jul 2014 10:56:35 -0000	1.6.16.6
@@ -5,7 +5,7 @@
 } {
     proc
     source_p:optional,integer,trim
-    {version_id:optional,integer ""}
+    {version_id:naturalnum,optional ""}
 } -properties {
     title:onevalue
     context:onevalue