The letter (html) is incorrectly decoded when there is a broked symbol
The file lib/washtml.php about loading of a beaten file all is used that after a beaten place is incorrectly coded.
in this place.
@$node->loadHTML($html);
return $this->dumpHtml($node);
Use UTF-8.
if
-@$node->loadHTML($html);
-return $this->dumpHtml($node);
+return $html;
All letter doesn't break, incorrect symbol not from that coding is simply passed