There are no alphabetic characters in MIME IDs

diff --git a/framework/Mime/lib/Horde/Mime/Part.php b/framework/Mime/lib/Horde/Mime/Part.php
index c8ca1d3..e9e7557 100644 (file)
--- a/framework/Mime/lib/Horde/Mime/Part.php
+++ b/framework/Mime/lib/Horde/Mime/Part.php
@@ -1428,7 +1428,7 @@ class Horde_Mime_Part implements ArrayAccess, Countable
         }
 
         if ($sort) {
-            uksort($map, 'strnatcasecmp');
+            uksort($map, 'strnatcmp');
         }
 
         return $map;