Allow pattern attribute in input

Bernardo Silva

2016-04-05 c72446a8fca9c7b8b0e91dd7128f99f29e0ccc30

 program/lib/Roundcube/html.php

@@ -393,7 +393,7 @@
        'type','name','value','size','tabindex','autocapitalize','required',
        'autocomplete','checked','onchange','onclick','disabled','readonly',
        'spellcheck','results','maxlength','src','multiple','accept',
        'placeholder','autofocus',
        'placeholder','autofocus','pattern'
    );

    /**