Fix stripping invalid comments. Changes from r4483 also stripped entire CSS blocks packed in comments

git-svn-id: https://svn.roundcube.net/trunk@4517 208e9e7b-5314-0410-a742-e7e81cd9613c

1 files changed, 1 insertions, 1 deletions

diff --git a/roundcubemail/program/lib/washtml.php b/roundcubemail/program/lib/washtml.php
index f9daadbf5..0f8dc7ee6 100644
--- a/roundcubemail/program/lib/washtml.php
+++ b/roundcubemail/program/lib/washtml.php
@@ -273,7 +273,7 @@ class washtml
       $this->config['base_url'] = '';
 
     // Remove invalid HTML comments (#1487759)
-    $html = preg_replace('/<![^>]*>/', '', $html);
+    $html = preg_replace('/<!--[^->]*>/', '', $html);
 
     @$node->loadHTML($html);
     return $this->dumpHtml($node);