the_generator( string $type )

function the_generator( $type ) {
	/**
	 * Filters the output of the XHTML generator tag for display.
	 *
	 * @since WP-2.5.0
	 *
	 * @param string $generator_type The generator output.
	 * @param string $type           The type of generator to output. Accepts 'html',
	 *                               'xhtml', 'atom', 'rss2', 'rdf', 'comment', 'export'.
	 */
	echo apply_filters( 'the_generator', get_the_generator($type), $type ) . "\n";
}