"images-inline": !!F.config.chat.imagesInline,
          "edit-ctrl-send": false,
          "edit-compact-mode": true,
          "monospace-messages": true,
          "chat-only-mode": false,
          "audible-alert": true,
          "active-user-list": false,
          "active-user-list-timestamps": false
          "active-user-list-timestamps": false,
          "hide-attachment-widget": false
        }
      },
      /** Plays a new-message notification sound IF the audible-alert
          setting is true, else this is a no-op. Returns this.
      */
      playNewMessageSound: function f(){
        if(f.uri){

      optAu.theLegend.addEventListener('click',function(){
        D.toggleClass(Chat.e.activeUserListWrapper, 'collapsed');
        if(!Chat.e.activeUserListWrapper.classList.contains('collapsed')){
          Chat.animate(optAu.theList,'anim-flip-v');
        }
      }, false);
    }/*namedOptions.activeUsers additional setup*/
    /* Settings menu entries... Remember that they will be rendered in
       reverse order and the most frequently-needed ones "should"
       (arguably) be closer to the start of this list so that they
    /* Settings menu entries... the most frequently-needed ones "should"
       (arguably) be closer to the start of this list. */
       will be rendered within easier reach of the settings button. */
    /**
       Settings ops structure:

       label: string for the UI

       boolValue: string (name of Chat.settings setting) or a
       function which returns true or false.

      boolValue: ()=>!document.body.classList.contains('my-messages-right'),
      callback: function f(){
        document.body.classList[
          this.checkbox.checked ? 'remove' : 'add'
        ]('my-messages-right');
      }
    },{
      label: "Show images inline",
      hint: "Whether to show images inline or as a hyperlink.",
      boolValue: 'images-inline'
    },{
      label: "Timestamps in active users list",
      hint: "Whether to show last-message timestamps.",
      boolValue: 'active-user-list-timestamps'
    },
    namedOptions.activeUsers,{
      label: "Monospace message font",
      hint: "Use monospace font for message text?",
      boolValue: 'monospace-messages',
      callback: function(setting){
        document.body.classList[
          setting.value ? 'add' : 'remove'
        ]('monospace-messages');
      }
    },{
      label: "Chat-only mode",
      hint: "Toggle the page between normal fossil view and chat-only view.",
      boolValue: 'chat-only-mode'
    },{
      label: "Show images inline",
      hint: "Whether to show images inline or as a hyperlink.",
      boolValue: 'images-inline'
    },{
      label: "Timestamps in active users list",
      hint: "Whether to show last-message timestamps.",
      boolValue: 'active-user-list-timestamps'
    },
    namedOptions.activeUsers,{
      label: "Hide file attachment widget",
      boolValue: "hide-attachment-widget",
      hint: "Hides the file attachment widget, gaining more "+
        "screen space for messages."
    }];

    /** Set up selection list of notification sounds. */
    if(1){
      const selectSound = D.select();
      D.option(selectSound, "", "(no audio)");
      const firstSoundIndex = selectSound.options.length;

      Chat.chatOnlyMode(s.value);
    });
    Chat.settings.addListener('edit-compact-mode',function(s){
      Chat.e.inputLine.classList[
        s.value ? 'add' : 'remove'
      ]('compact');
    });
    Chat.settings.addListener('hide-attachment-widget',function(s){
      Chat.e.fileSelectWrapper.classList[
        s.value ? 'add' : 'remove'
      ]('hidden');
    });    
    Chat.settings.addListener('edit-ctrl-send',function(s){
      const label = (s.value ? "Ctrl-" : "")+"Enter submits messages.";
      const eInput = Chat.inputElement();
      eInput.dataset.placeholder = eInput.dataset.placeholder0 + " " +label;
      Chat.e.btnSubmit.title = label;
      F.toast.message(label);
    });