anchor.diff: +{ nixosSrc ? {outPath = ./.; rev = 1234;} }:
  +
   let
   
   
     makeIso =
       { module, type, description ? type, maintainers ? ["eelco"] }:
  -    { nixosSrc ? {outPath = ./.; rev = 1234;}
  -    , officialRelease ? false
  +    { officialRelease ? false
       , system ? "i686-linux"
       }:
   
  
positive.code: 
  
      manual =
        { nixosSrc ? {outPath = ./.; rev = 1234;}
        , officialRelease ? false
        }:
  
        (import "${nixosSrc}/doc/manual" {
          pkgs = import <nixpkgs> {};
  
negative.code: 
    makeSystemTarball =
      { module, maintainers ? ["viric"]}:
      { officialRelease ? false
      , system ? "i686-linux"
      }:
  
  