Index: openacs-4/packages/attachments/www/detach.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/attachments/www/detach.tcl,v
diff -u -N -r1.6 -r1.7
--- openacs-4/packages/attachments/www/detach.tcl	20 Jan 2018 22:59:51 -0000	1.6
+++ openacs-4/packages/attachments/www/detach.tcl	7 Apr 2018 18:07:50 -0000	1.7
@@ -72,7 +72,7 @@
     } -on_request {
     } -on_submit {
 	attachments::unattach -object_id $object_id -attachment_id $attachment_id
-	if {([info exists delete_button] && $delete_button ne "") 
+	if {[info exists delete_button] && $delete_button ne ""
 	    && !$attached_to_other_objects_n
 	} {
 	    fs::delete_file -item_id $attachment_id