anchor.diff:        "mirror://gnome/sources/libepoxy/${channel}/${name}.tar.xz"
       ];
       hashOutput = false;
  -    sha256 = "a9562386519eb3fd7f03209f279f697a8cba520d3c155d6e253c3e138beca7d8";
  +    sha256 = "002958c5528321edd53440235d3c44e71b5b1e09b9177e8daf677450b6c4433d";
     };
   
     nativeBuildInputs = [
  
positive.code:         outputHash
          outputHashAlgo
          urls;
        sha256Url = "https://download.gnome.org/sources/libepoxy/${channel}/"
          + "${name}.sha256sum";
        failEarly = true;
      };
    };
  
  
negative.code:     replaceChars;
  
    channel = "1.5";
    version = "${channel}.3";
  
    versionFormatted =
      # For initial minor releases drop the trailing zero
  