},{
      label: "Bottom-up chat",
      boolValue: ()=>document.body.classList.contains('chat-bottom-up'),
      callback: function(){
        document.body.classList.toggle('chat-bottom-up');
        Chat.settings.set('bottom-up',
                          document.body.classList.contains('chat-bottom-up'));
        if(false){
          /* Reminder: in order to get a good scrolling effect when
             sticky mode is enabled for Chat.e.inputWrapper, BOTH of
             these scrollIntoView() calls are needed. */
          const e = document.querySelector(
            '.message-widget'/*this is always the most recent message,
                               even if flexbox placed it at the end of
                               the page!*/
          );
          if(e) e.scrollIntoView();
        }
        Chat.e.inputWrapper.scrollIntoView();
        setTimeout(()=>Chat.e.inputWrapper.scrollIntoView(), 0);
      }
    },{
      label: "Images inline",
      boolValue: ()=>Chat.settings.getBool('images-inline'),
      callback: function(){
        const v = Chat.settings.getBool('images-inline',true);
        Chat.settings.set('images-inline', !v);