lib/core/tag_class.php
case 'theme:':
$path = $matches[4];
$exts = strtolower(substr($matches[4], strrpos($matches[4], '.')+1));
if($exts == 'js' || $exts == 'css') {
$path .= '?v='. IWeb::$app->config['revision'];
}
return '<?php echo $this->getWebViewPath()."'.$path.'";?>';