anchor.diff:  , fetchpatch, fetchFromGitHub, cmake, ninja, pkg-config, libuuid, utf8cpp, darwin }:
   
   let
  -  version = "4.9.2";
  +  version = "4.9.3";
     source = fetchFromGitHub {
       owner = "antlr";
       repo = "antlr4";
       rev = version;
  -    sha256 = "0rpqgl2y22iiyg42y8jyiy2g7x421yf0q16cf17j76iai6y0bm5p";
  +    sha256 = "1af3cfqwk7lq1b5qsh1am0922fyhy7wmlpnrqdnvch3zzza9n1qm";
     };
   
     runtime = {
  
positive.code: 
      src = fetchurl {
        url = "https://www.antlr.org/download/antlr-${version}-complete.jar";
        sha256 = "1k9pw5gv2zhh06n1vys76kchlz4mz0vgv3iiba8w47b9fqa7n4dv";
      };
  
      dontUnpack = true;
  
negative.code:       src = source;
  
        outputs = [ "out" "dev" "doc" ];
  
        patchFlags = [ "-p3" ];
  
  