/**
* Check if a file is a document.
*
* @return boolean
* @param string $tag
* @param int $isMime
*/
function isDocument($tag, $isMime = false)
{
if ($isMime) {
$tag = zmgMimeHelper::convertMimeToExtension($tag);
}
return in_array($tag, zmgMimeHelper::_acceptableDocumentList());
}
