Index: openacs-4/packages/xowiki/tcl/xowiki-uploader-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowiki/tcl/xowiki-uploader-procs.tcl,v
diff -u -N -r1.3.2.5 -r1.3.2.6
--- openacs-4/packages/xowiki/tcl/xowiki-uploader-procs.tcl	21 Aug 2022 16:46:07 -0000	1.3.2.5
+++ openacs-4/packages/xowiki/tcl/xowiki-uploader-procs.tcl	24 Aug 2022 15:57:30 -0000	1.3.2.6
@@ -59,6 +59,9 @@
     # xowf for the online exam.
     #
     :public method store_file {} {
+      #
+      # Store files and return a thumbnail rendering when successful.
+      #      
       set d [next]
       if {[dict get $d status_code] in {200 201}} {
         return [list status_code 201 message [${:parent_object} render_thumbnails $d]]