From 5c219ea46de8574693882208c64bd0518d83f593 Mon Sep 17 00:00:00 2001
From: moodler <moodler>
Date: Fri, 16 May 2003 06:08:42 +0000
Subject: [PATCH] Added hyphen (-) to the list of allowed characters in a
 filename

---
 lib/moodlelib.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/moodlelib.php b/lib/moodlelib.php
index ee69d5cb70..42ed7df0d0 100644
--- a/lib/moodlelib.php
+++ b/lib/moodlelib.php
@@ -949,7 +949,7 @@ function clean_filename($string) {
 /// Cleans a given filename by removing suspicious or troublesome characters
     $string = stripslashes($string);
     $string = eregi_replace("\.\.", "", $string);
-    $string = eregi_replace("[^([:alnum:]|\.)]", "_", $string);
+    $string = eregi_replace("[^(-|[:alnum:]|\.)]", "_", $string);
     return    eregi_replace("_+", "_", $string);
 }
 
-- 
2.39.5