anchor.diff:  { lib, stdenv, SDL, fetchurl, gzip, libvorbis, libmad }:
  +
   stdenv.mkDerivation rec {
     pname = "quakespasm";
     majorVersion = "0.93";
  -  version = "${majorVersion}.1";
  +  version = "${majorVersion}.2";
   
     src = fetchurl {
       url = "mirror://sourceforge/quakespasm/quakespasm-${version}.tgz";
  -    sha256 = "1bimv18f6rzhyjz78yvw2vqr5n0kdqbcqmq7cb3m951xgsxfcgpd";
  +    sha256 = "0qm0j5drybvvq8xadfyppkpk3rxqsxbywzm6iwsjwdf0iia3gss5";
     };
   
     sourceRoot = "${pname}-${version}/Quake";
  
positive.code: 
    enableParallelBuilding = true;
  
    meta = {
      description = "An engine for iD software's Quake";
      homepage = "http://quakespasm.sourceforge.net/";
      longDescription = ''
  
negative.code:       and smoother mouse input - though no CD support.
      '';
  
      platforms = platforms.linux;
      maintainers = with maintainers; [ m3tti ];
    };
  }
  