message: Use an AccessibleButton for the clickable element
diff: @@ -52,6 +52,7 @@ import RoomScrollStateStore from '../../stores/RoomScrollStateStore';
  import WidgetEchoStore from '../../stores/WidgetEchoStore';
  import SettingsStore, {SettingLevel} from "../../settings/SettingsStore";
  import WidgetUtils from '../../utils/WidgetUtils';
  +import AccessibleButton from "../views/elements/AccessibleButton";
  const DEBUG = false;
  let debuglog = function() {};
  @@ -1736,12 +1737,13 @@ module.exports = React.createClass({
  );
  } else if (hiddenHighlightCount > 0) {
  aux = (
  - <div className="mx_RoomView_auxPanel_hiddenHighlights" onClick={this._onHiddenHighlightsClick}>
  + <AccessibleButton element="div" className="mx_RoomView_auxPanel_hiddenHighlights"
  + onClick={this._onHiddenHighlightsClick}>
  {_t(
  "You have %(count)s unread notifications in a prior version of this room.",
  {count: hiddenHighlightCount},
  )}
  - </div>
  + </AccessibleButton>
  );
  }
  