//055show_preview
if (!empty($GLOBALS['conf']['mailbox']['show_preview'])) \{
    $prefGroups['mailpreview'] = array(
        'column' => _("Message Options"),
        'label' => _("Mail Previews"),
        'desc' => _("Configure mail preview options."),
        'members' => array('preview_enabled', 'preview_maxlen', 'preview_strip_nl', 'preview_show_unread', 'preview_show_tooltip')
    );
\}
