Index: openacs-4/packages/acs-api-browser/tcl/acs-api-documentation-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-api-browser/tcl/acs-api-documentation-procs.tcl,v
diff -u -r1.62 -r1.63
--- openacs-4/packages/acs-api-browser/tcl/acs-api-documentation-procs.tcl	7 Oct 2018 12:10:43 -0000	1.62
+++ openacs-4/packages/acs-api-browser/tcl/acs-api-documentation-procs.tcl	13 Oct 2018 11:40:20 -0000	1.63
@@ -1958,7 +1958,7 @@
             object {show_source 1} {show_methods 1}
         }]
     } else {
-        set url [export_vars -base /api-doc/proc-view {
+        set url [export_vars -base /api-doc/proc-view -no_empty {
             {proc $proc_name} source_p version_id
         }]
     }