function _convert_pre can cause hangs

[ldeviator]

in program/lib/html2text.ph

    /**
     *  Helper function for PRE body conversion.
     *
     *  @param string HTML content
     *  @access private
     */
    function _convert_pre(&$text)
    {
        while (preg_match('/<pre[^>]*>(.*)<\/pre>/ismU', $text, $matches)) {
            $result = preg_replace($this->pre_search, $this->pre_replace, $matches[1]);
            $text = preg_replace('/<pre[^>]*>.*<\/pre>/ismU', '<div><br>' . $result . '<br></div>', $text, 1);
        }
    }

can cause a hang when forwarding/replying to a message. The message is attached. The message can be successfully sent if the dollar sign ($) is removed from the $0.00 inside the message body when forwarding/replying, or this function is skipped i.e.

    function _convert_pre(&$text)
    {
        return;
...
    }
}

[ldeviator]

message from Amazon.com

[alec]

Attached patch fixes the issue.

[alec]

Applied in [d483cd78].