public function setEntityLoader( $schemaRoot )
	{
		$this->schemaRoot = $schemaRoot;

		$useEntityLoader = true; // For debug convenience
		if ( version_compare( PHP_VERSION, "5.4", ">=" ) && $useEntityLoader )
		{
			libxml_set_external_entity_loader( array( $this, 'entity_loader' ) );
		}
	}