anchor.diff:        };
   
       services.printing.drivers = [ pkgs.cups pkgs.ghostscript additionalBackends ];
  -    services.printing.cupsdConf = 
  +    services.printing.cupsdConf =
         ''
           LogLevel info
   
  
positive.code:   # cupsd.conf tells cupsd to use this tree.
    bindir = pkgs.buildEnv {
      name = "cups-progs";
      paths =  cfg.drivers;
      pathsToLink = [ "/lib/cups" "/share/cups" ];
      postBuild =  ''
        ${cfg.bindirCmds}
      '';
    };
  
  in
  
negative.code:   ###### interface
  
    options = {
      services.printing = {
  
        enable = mkOption {
  