anchor.diff:  }:
   
   let
  -  merlinVersion = "4.3.1";
  +  merlinVersion = "4.4";
   
     hashes = {
  -    "4.3.1-411" = "0lhxkd1wa8k3fkcnhvzlahx3g519cdi5h7lgs60khqqm8nfvfcr5";
  -    "4.3.1-412" = "0ah2zbj1hhrrfxp4nhfh47jsbkvm0b30dr7ikjpmvb13wa8h20sr";
  +    "4.4-411" = "sha256:0chx28098mmnjbnaz5wgzsn82rh1w9dhzqmsykb412cq13msl1q4";
  +    "4.4-412" = "sha256:18xjpsiz7xbgjdnsxfc52l7yfh22harj0birlph4xm42d14pkn0n";
  +    "4.4-413" = "sha256:1ilmh2gqpwgr51w2ba8r0s5zkj75h00wkw4az61ssvivn9jxr7k0";
     };
   
     ocamlVersionShorthand = lib.concatStrings
  
positive.code:       dot_merlin_reader = "${dot-merlin-reader}/bin/dot-merlin-reader";
        dune = "${dune_2}/bin/dune";
      })
      # This fixes the test-suite on macOS
      # See https://github.com/ocaml/merlin/pull/1399
      ./test.patch
    ];
  
    useDune2 = true;
  
  
negative.code:   inherit version;
  
    src = fetchurl {
      url = "https://github.com/ocaml/merlin/releases/download/v${version}/merlin-${version}.tbz";
      sha256 = hashes."${version}";
    };
  
  