Incorrect routing of anchors when root is set about ampersand-router HOT 3 OPEN

    this.router = new Router();
    var oldGetFragment = this.router.history.getFragment;
    this.router.history.getFragment = function (fragment) {
        if(fragment) {
            var root = this.root.slice(1);
            if (!fragment.indexOf(root)) fragment = fragment.slice(root.length);
        }
        return oldGetFragment.call(this, fragment);
    };