Index: openacs-4/packages/acs-templating/www/scripts/xinha/attach-file.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-templating/www/scripts/xinha/attach-file.tcl,v
diff -u -N -r1.20 -r1.21
--- openacs-4/packages/acs-templating/www/scripts/xinha/attach-file.tcl	1 Oct 2017 12:16:05 -0000	1.20
+++ openacs-4/packages/acs-templating/www/scripts/xinha/attach-file.tcl	7 Apr 2018 19:37:20 -0000	1.21
@@ -106,7 +106,7 @@
 	    }
 	    set error_p 0
             # check file name
-		if { [info exists f_url] && $f_url eq "" && $url_ok_btn ne ""} {
+		if { $f_url eq "" && $url_ok_btn ne ""} {
 		    template::form::set_error upload_form f_url "Specify a [_ acs-templating.Link_Url]"
 		    set error_p 1
 		} 
@@ -226,7 +226,7 @@
 		    # see the parent object
 		    set f_href "/image/${item_id}/private/${parent_id}/${file_name}"			
 		} else {
-		    if { ([info exists f_url] && $f_url ne "") && $url_ok_btn ne "" } {
+		    if { $f_url ne "" && $url_ok_btn ne "" } {
 			set f_href $f_url
 		    } else {
 			set f_href "/file/${item_id}/${file_name}"