WordPress at a glance
function is not described

wlwmanifest_link() WP 2.3.1

Display the link to the Windows Live Writer manifest file.

No Hooks.

Return

Nothing (null).

Usage

wlwmanifest_link();

Code of wlwmanifest link: wp-includes/general-template.php VER 5.0.3

<?php
function wlwmanifest_link() {
	echo '<link rel="wlwmanifest" type="application/wlwmanifest+xml" href="',
		includes_url( 'wlwmanifest.xml' ), '" /> ', "\n";
}