function quirks_widget (window) {
    this.name = "quirks-widget";
    text_widget.call (this, window);
    // this.add_hook ("buffer_dom_content_loaded_hook");
    this.add_hook ("select_buffer_hook");
}
quirks_widget.prototype.__proto__ = text_widget.prototype;
quirks_widget.prototype.update = function () {
    this.view.text = this.window.buffers.current.top_document.compatMode;
}

add_hook ("mode_line_hook", mode_line_adder (quirks_widget));