anchor.diff:    isQGnome = cfg.platformTheme == "gnome" && builtins.elem cfg.style ["adwaita" "adwaita-dark"];
     isQtStyle = cfg.platformTheme == "gtk2" && !(builtins.elem cfg.style ["adwaita" "adwaita-dark"]);
     isQt5ct = cfg.platformTheme == "qt5ct";
  +  isLxqt = cfg.platformTheme == "lxqt";
   
     packages = if isQGnome then [ pkgs.qgnomeplatform pkgs.adwaita-qt ]
       else if isQtStyle then [ pkgs.libsForQt5.qtstyleplugins ]
       else if isQt5ct then [ pkgs.libsForQt5.qt5ct ]
  +    else if isLxqt then [ pkgs.lxqt.lxqt-qtplugin pkgs.lxqt.lxqt-config ]
       else throw "`qt5.platformTheme` ${cfg.platformTheme} and `qt5.style` ${cfg.style} are not compatible.";
   
   in
  
positive.code:         type = types.enum [
            "gtk2"
            "gnome"
            "qt5ct"
          ];
          example = "gnome";
  
negative.code:               <term><literal>gnome</literal></term>
                <listitem><para>Use GNOME theme with
                  <link xlink:href="https://github.com/FedoraQt/QGnomePlatform">qgnomeplatform</link>
                </para></listitem>
              </varlistentry>
              <varlistentry>
                <term><literal>lxqt</literal></term>
                <listitem><para>Use LXQt style set using the
                  <link xlink:href="https://github.com/lxqt/lxqt-config">lxqt-config-appearance</link>
                  application.
                </para></listitem>
              </varlistentry>
              <varlistentry>
  