Index: openacs-4/packages/xowiki/www/ckeditor-images/upload_image.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowiki/www/ckeditor-images/upload_image.tcl,v
diff -u -N -r1.6 -r1.7
--- openacs-4/packages/xowiki/www/ckeditor-images/upload_image.tcl	2 Mar 2013 12:06:30 -0000	1.6
+++ openacs-4/packages/xowiki/www/ckeditor-images/upload_image.tcl	2 Mar 2013 12:15:43 -0000	1.7
@@ -26,10 +26,11 @@
       #ds_comment $upload_tmpfile
       if {$size ne ""} {exec convert -resize $size $upload_tmpfile $upload_tmpfile}
 
-      if {![regexp {image/+} $mime_type]} {
-	template::form::set_error "upload_image" "upload_file" "[_ tlf-resource-integrator.HTMLArea_SelectImageUploadNoImage]"
+      if {![string match image/* $mime_type]} {
+	# File is no image
+	template::form::set_error "upload_image" "upload_file" "[_ acs-templating.HTMLArea_SelectImageUploadNoImage]"
 	break
-      }    
+      }
 
       #set parent_id  [db_string _ "select parent_id from cr_items where item_id=:fs_package_id"]
       set title $file_name