anchor.diff:  let
   
     major = "2019";
  -  minor = "05";
  -  patch = "21";
  +  minor = "11";
  +  patch = "01";
   
     version = "${major}.${minor}.${patch}";
   
  
positive.code:     owner = "daid";
      repo = "EmptyEpsilon";
      rev = "EE-${version}";
      sha256 = "0v2xz1wlji6m6311r3vpkdil3a7l1w5nsz5yqd1l8bimy11rdr55";
    };
  
    nativeBuildInputs = [ cmake ];
  
negative.code:       owner = "daid";
        repo = "SeriousProton";
        rev = "EE-${version}";
        sha256 = "1sc1z9n99jspa8jnk0pwdzynnadvcmb3pxl5cndw3z90xjwpzivw";
      };
  
      nativeBuildInputs = [ cmake ];
  