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 -r1.27.8.15 -r1.27.8.16
--- openacs-4/packages/acs-api-browser/tcl/acs-api-documentation-procs.tcl	5 Sep 2014 18:48:53 -0000	1.27.8.15
+++ openacs-4/packages/acs-api-browser/tcl/acs-api-documentation-procs.tcl	5 Sep 2014 19:07:05 -0000	1.27.8.16
@@ -953,7 +953,7 @@
     proc length_var {data} {
         if {[regexp -indices {^\$\{[^\}]+\}} $data found]} {
             return [lindex $found 1]           
-        } elseif {[regexp -indices {^\$[A-Za-z0-9_]+(\([\$A-Za-z0-9_\-/]+\))?} $data found]} {
+        } elseif {[regexp -indices {^\$[A-Za-z0-9_:]+(\([\$A-Za-z0-9_\-/]+\))?} $data found]} {
             return [lindex $found 1]
         }
         return 0