code: function domElement(ids) {
          var selector = "";
          if (!Array.isArray(ids)) {
              ids = [ids];
          }
          _.each(ids, function (id) {
              if (selector !== "") {
                  selector += ",";
              }
              selector += "[data-brackets-id='" + id + "']";
          });
          rule(selector);
      }
docs: Highlight all nodes with 'data-brackets-id' value
  that matches id, or if id is an array, matches any of the given ids.
  @param {string|Array<string>} value of the 'data-brackets-id' to match,
  or an array of such.