$OpenBSD: patch-htdocs_syweb_tools_inc,v 1.2 2010/07/01 13:15:52 sthen Exp $
--- htdocs/syweb/tools.inc.orig	Tue Jun  1 14:40:04 2010
+++ htdocs/syweb/tools.inc	Wed Jun 30 17:07:55 2010
@@ -58,7 +58,7 @@ function normalise_filename($filename) {
 	$filename = $match[1];
     }
     /* remove all but lowercase and digits */
-    $filename = preg_replace("/[^a-z0-9_]/", '', $filename);
+    $filename = preg_replace("/[^a-z0-9_-]/", '', $filename);
 
     return $filename;
 }
