roundcubemail/program/lib/Roundcube/rcube_html2text.php
public function blockquote_citation_callback($m)
    {
        $line  = ltrim($m[2]);
        $space = $line[0] == '>' ? '' : ' ';

        return $m[1] . '>' . $space . $line;
    }
public function blockquote_citation_callback($m)
    {
        $line  = ltrim($m[2]);
        $space = $line[0] == '>' ? '' : ' ';

        return $m[1] . '>' . $space . $line;
    }
public function blockquote_citation_callback ( $ m ) { $ line = ltrim ( $ m [ 2 ] ) ; $ space = $ line [ 0 ] == '>' ? '' : ' ' ; return $ m [ 1 ] . '>' . $ space . $ line ; }
Callback function to correctly add citation markers for blockquote contents
Callback function to correctly add citation markers for blockquote contents