Index: openacs-4/packages/xowiki/www/xinha/insert-file.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowiki/www/xinha/insert-file.tcl,v
diff -u -N -r1.6 -r1.7
--- openacs-4/packages/xowiki/www/xinha/insert-file.tcl	7 Aug 2017 23:48:31 -0000	1.6
+++ openacs-4/packages/xowiki/www/xinha/insert-file.tcl	1 Oct 2017 12:10:25 -0000	1.7
@@ -90,7 +90,7 @@
                     -creation_ip [ad_conn peeraddr] \
                     -package_id [ad_conn package_id]
             }
-            file delete $upload_tmpfile
+            file delete -- $upload_tmpfile
             permission::grant \
                 -object_id $item_id \
                 -party_id $user_id \