anchor.diff:          ";
         };
   
  -      # should be move elsewhere.
  +      # Should be moved elsewhere.
         enableGhostscriptFonts = mkOption {
           default = false;
           description = "
  
positive.code: {pkgs, config, ...}:
  
  ###### interface
  let
    inherit (pkgs.lib) mkOption;
  
    options = {
  
  
negative.code:     '';
  
    environment.systemPackages =
      optional config.fonts.enableFontDir config.system.build.x11Fonts ++
      optional config.fonts.enableFontConfig pkgs.fontconfig;
  }
  