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 -r1.75 -r1.76
--- openacs-4/packages/acs-api-browser/tcl/acs-api-documentation-procs.tcl	20 Oct 2024 09:53:57 -0000	1.75
+++ openacs-4/packages/acs-api-browser/tcl/acs-api-documentation-procs.tcl	20 Oct 2024 10:09:06 -0000	1.76
@@ -593,7 +593,7 @@
             }
             append blocks_out \
                 "<dt>$positional <i style='font-weight: normal;'>" \
-                ([join $param_details {, }]) \
+                [expr {[llength $param_details]>0 ? "([join $param_details {, }])" : ""}] \
                 "</i></dt><dd>"
             if { [info exists params($positional)] } {
                 append blocks_out $params($positional)