anchor.diff:        url = "https://github.com/fb08af68/esrap-peg.git";
         sha256 = "48e616a697aca95e90e55052fdc9a7f96bf29b3208b1b4012fcd3189c2eceeb1";
         rev = ''1f2f21e32e618f71ed664cdc5e7005f8b6b0f7c8'';
  -      
  -      
       };
     };
   
  
positive.code:       url = "https://github.com/scymtym/esrap.git";
        sha256 = "c56616ac01be0f69e72902f9fd830a8af2c2fa9018b66747a5da3988ae38817f";
        rev = ''c71933b84e220f21e8a509ec26afe3e3871e2e26'';
        
        
      };
    };
  };
  
negative.code:     deps = [];
      src = pkgs.fetchcvs {
        sha256 = "a574b7f9615232366e3e5e7ee400d60dbff23f6d0e1def5a3c77aafdfd786e6a";
        date = ''2013-10-28'';
        module = ''cl-unification'';
        cvsRoot = '':pserver:anonymous:anonymous@common-lisp.net:/project/cl-unification/cvsroot'';
  