anchor.diff:        i3bar_command ${command}
         workspace_buttons ${if workspaceButtons then "yes" else "no"}
         strip_workspace_numbers ${if !workspaceNumbers then "yes" else "no"}
  +      tray_output ${trayOutput}
         colors {
           background ${colors.background}
           statusline ${colors.statusline}
  
positive.code: 
            See <link xlink:href="https://i3wm.org/docs/userguide.html#_colors"/>.
          '';
        };
      };
    };
  
negative.code: 
    barStr = {
      id, fonts, mode, hiddenState, position, workspaceButtons,
      workspaceNumbers, command, statusCommand, colors, trayOutput, ...
    }: ''
      bar {
        ${optionalString (id != null) "id ${id}"}
  