tag) so WordPress.org Plugin Check stays clean. The * link is a plain external WordPress renders for the URL menu slug; * core does not add target/rel, so we add them here. * * @return void */ public static function enqueue() { static $done = false; if ($done) return; $done = true; $url = wp_json_encode(self::url(), JSON_HEX_TAG | JSON_HEX_AMP); // Normalise trailing slashes on both sides: WordPress renders the // external menu URL without a trailing slash, while self::url keeps // one — a strict === would miss and the link would open same-tab. $js = '(function(){' . 'var u=' . $url . ';' . 'var n=function(s){return (s||"").replace(/\/+$/,"");};' . 'var a=document.querySelectorAll("#adminmenu a");' . 'for(var i=0;i