diff -aurp old/squirrelmail/class/mime/Rfc822Header.class.php new/squirrelmail/class/mime/Rfc822Header.class.php
--- old/squirrelmail/class/mime/Rfc822Header.class.php	2005-02-07 00:33:29.000000000 +0000
+++ new/squirrelmail/class/mime/Rfc822Header.class.php	2005-10-15 21:17:31.000000000 +0000
@@ -506,7 +506,8 @@ class Rfc822Header {
      * that function?
      */
-    function parsePriority($value) {
-        $value = strtolower(array_shift(split('/\w/',trim($value))));
+    function parsePriority($sValue) {
+        $aValue = split('/\w/',trim($sValue));
+	$value = strtolower(array_shift($aValue));
         if ( is_numeric($value) ) {
             return $value;
         }
diff -aurp old/squirrelmail/functions/imap_messages.php new/squirrelmail/functions/imap_messages.php
--- old/squirrelmail/functions/imap_messages.php	2005-04-16 17:45:38.000000000 +0000
+++ new/squirrelmail/functions/imap_messages.php	2005-10-15 22:14:09.000000000 +0000
@@ -477,7 +477,8 @@ function parseArray($read,&$i) {
  * class/mime/Rfc822Header.php.
  */
-function parsePriority($value) {
-    $value = strtolower(array_shift(split('/\w/',trim($value))));
+function parsePriority($sValue) {
+    $aValue=split('/\w/',trim($sValue));
+    $value = strtolower(array_shift($aValue));
     if ( is_numeric($value) ) {
         return $value;
     }