Index: openacs-4/packages/xowf/tcl/test-item-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowf/tcl/test-item-procs.tcl,v
diff -u -r1.7.2.98 -r1.7.2.99
--- openacs-4/packages/xowf/tcl/test-item-procs.tcl	11 Jan 2021 11:04:43 -0000	1.7.2.98
+++ openacs-4/packages/xowf/tcl/test-item-procs.tcl	13 Jan 2021 13:39:49 -0000	1.7.2.99
@@ -55,7 +55,7 @@
         set attachment_label [dict get [:get_named_sub_component_value attachments $i] name]
         append attachments_links \
             "<div class='attachment'>" \
-            "\[\[file:question.interaction.attachments.$i|$attachment_label\]\]" \
+            "\[\[file:question.interaction.attachments.$i|$attachment_label|-query filename=[ns_urlencode ${attachment_label}]\]\]" \
             "</div>"
       }
       if {$attachments_count > 0} {