tcm-in-guestrow-tpl/lang/en/lang.php

<?php
/**
 * English language file for template
 *
 */

$lang['discussion']        = 'Discussion';
$lang['back_to_article']   = 'Back to article';
$lang['userpage']          = 'User page';
$lang['__existing__']      = 'The color for links to existing pages';
$lang['__missing__']       = 'The color for links to non-existing pages';
$lang['__site_width__']    = 'The width of the full site (can be any length unit: %, px, em, ...)';
$lang['__sidebar_width__'] = 'The width of the sidebar, if any (can be any length unit: %, px, em, ...)';