anchor.diff:            pname = "diagrams-lib";
             version = "1.4.1.2";
             sha256 = "4b6e8805decaef85d355d620311595b16fb702df3885060db19bc9b425652670";
  -          revision = "3";
  -          editedCabalFile = "14ni87kwmjhbphcihiivvz0nxga355263q36wvbyvvjmxvbdj98n";
  +          revision = "4";
  +          editedCabalFile = "0wlb4ng803rhx82msl49b39im4cw8naik0pcyyybpphyqbxxs6dd";
             libraryHaskellDepends = [
               active
               adjunctions
  
positive.code:       hscolour = callPackage ({ base, containers, mkDerivation, stdenv }:
        mkDerivation {
            pname = "hscolour";
            version = "1.24.1";
            sha256 = "e46fe3de8ed6f96e2216b94b7608d01919bc86b15dd8d0ec7e71c0e7e5bf79c8";
            isLibrary = true;
            isExecutable = true;
            enableSeparateDataOutput = true;
  
negative.code:           pname = "Cabal";
            version = "1.24.2.0";
            sha256 = "b7d0eb8e3503fbca460c0a6ca5c88352cecfe1b69e0bbc79827872134ed86340";
            revision = "2";
            editedCabalFile = "15ncrm7x2lg4hn0m5mhc8hy769bzhmajsm6l9i6536plfs2bbbdj";
            libraryHaskellDepends = [
              array
              base
  