re = new RegExp("musicbrainz\.org\/(release|artist)\/([a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12})","i");
var matches = window.location.href.match(re);
if (matches) {
var type = matches[1]
var mbid = matches[2];
('ul.tabs').append('<a href="/' + type + '/' + mbid + '/edits">Edit history</a></li>');
}