Allow data-* attributes (#1489860)

Aleksander Machniak

2014-05-08 7079110c61d41020912baab91cef8b3a3acdb577

 program/include/rcmail_output_html.php

@@ -1232,7 +1232,7 @@

        // generate html code for button
        if ($btn_content) {
            $attrib_str = html::attrib_string($attrib, array_merge($link_attrib, array('data-*')));
            $attrib_str = html::attrib_string($attrib, $link_attrib);
            $out = sprintf('<a%s>%s</a>', $attrib_str, $btn_content);
        }