'Process an XGTITLE command (optional server extension) Arguments:
- group: group name wildcard (i.e. news.*)
Returns:
- resp: server response if successful
- list: list of (name,title) strings'

def xgtitle(self, group, file=None):

    line_pat = re.compile('^([^     DCTB ]+)[     DCTB ]+(.*)$')
    (resp, raw_lines) = self.longcmd(('XGTITLE    ' + group), file)
    lines = []
    for raw_line in raw_lines:
        match = line_pat.search(raw_line.strip())
        if match:
            lines.append(match.group(1, 2))
    return (resp, lines)
