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 -r1.30.2.10 -r1.30.2.11
--- openacs-4/packages/acs-api-browser/tcl/acs-api-documentation-procs.tcl	30 Dec 2015 13:12:44 -0000	1.30.2.10
+++ openacs-4/packages/acs-api-browser/tcl/acs-api-documentation-procs.tcl	30 Dec 2015 13:14:59 -0000	1.30.2.11
@@ -400,7 +400,9 @@
     }
     append out $first_line_tag$pretty_name$end_tag
     
-    if {[regexp {^(.*) (inst)?proc (.*)$} $proc_name match cl prefix method]} {
+    if {[regexp {^(.*) (inst)?proc (.*)$} $proc_name match cl prefix method]
+        && [info commands ::xo::api] ne ""
+    } {
         set xotclArgs 1
         set scope ""
         if {[regexp {^(.+) (.+)$} $cl match scope cl]} {