Fix broken quoted-printable encoding

git-svn-id: https://svn.roundcube.net/trunk@1787 208e9e7b-5314-0410-a742-e7e81cd9613c

1 files changed, 1 insertions, 1 deletions

diff --git a/roundcubemail/program/include/main.inc b/roundcubemail/program/include/main.inc
index 77074a0bd..c279f3012 100644
--- a/roundcubemail/program/include/main.inc
+++ b/roundcubemail/program/include/main.inc
@@ -643,7 +643,7 @@ function rcmail_mod_css_styles($source, $container_id, $base_url = '')
 function rcmail_xss_entitiy_decode($content)
 {
   $out = html_entity_decode(html_entity_decode($content));
-  $out = preg_replace('/\\\([a-z0-9]{4})/ie', "chr(hexdec('\\1'))", $out);
+  $out = preg_replace('/\\\([0-9a-f]{4})/ie', "chr(hexdec('\\1'))", $out);
   $out = preg_replace('#/\*.*\*/#Um', '', $out);
   return $out;
 }