/**
* Initialise xml element types.
* @return void
*/
public static function readElements($filename = 'elements.php')
{
FileUtils::assertFileReadable($filename);
require $filename;
if (isset($dtd)) {
self::$dtd = $dtd;
self::$filenameDTD = $filename;
}
if (isset($elements)) {
self::registerElements($elements);
}
}
