I don't understand what you mean?
$title .= ($edit) ? $lang['pm_edit'] : $lang['pm_compose'];
$bbcode_form = "";
if ($config['pm_bbcode']) {
$bbc_help = "";
foreach ($lang['bbc_help'] as $key => $val) {
$bbc_help .= $key."_help = \"".$val."\";\n";
}
$site_template->register_vars(array(
"lang_bbcode" => $lang['bbcode'],
"lang_tag_prompt" => $lang['tag_prompt'],
"lang_link_text_prompt" => $lang['link_text_prompt'],
"lang_link_url_prompt" => $lang['link_url_prompt'],
"lang_link_email_prompt" => $lang['link_email_prompt'],
"lang_list_type_prompt" => $lang['list_type_prompt'],
"lang_list_item_prompt" => $lang['list_item_prompt'],
"lang_close_tags" => $lang['close_tags'],
"lang_all" => $lang['all'],
"smiles_text" => get_smiles_text(),
"bbc_help" => $bbc_help
));
$bbcode_form = $site_template->parse_template(BBCODE);
}