anchor.diff:  in
     stdenv.mkDerivation rec {
       pname = "satysfi";
  -    version = "0.0.5";
  +    version = "0.0.6";
       src = fetchFromGitHub {
         owner = "gfngfn";
         repo = "SATySFi";
         rev = "v${version}";
  -      sha256 = "1y72by6d15bc6qb1lv1ch6cm1i74gyr0w127nnvs2s657snm0y1n";
  +      sha256 = "1wdmcz2b7v37msmsvjvbyj7x5a80qfws8a7w72q0g5959pw5fdxj";
         fetchSubmodules = true;
       };
   
  
positive.code:     meta = with lib; {
        homepage = "https://github.com/gfngfn/SATySFi";
        description = "A statically-typed, functional typesetting system";
        license = licenses.lgpl3;
        maintainers = [ maintainers.mt-caret maintainers.marsam ];
        platforms = platforms.all;
  
negative.code: { lib, stdenv, fetchFromGitHub, ruby, dune_2, ocamlPackages
  , ipaexfont, junicode, lmodern, lmmath
  }:
  let
  