anchor.diff:  
     src = fetchurl {
       url = "https://www.logicalshift.co.uk/unix/zoom/zoom-${version}.tar.gz";
  -    sha256 = "1g6van7f7sg3zfcz80mncnnbccyg2hnm0hq4x558vpsm0lf7z5pj";
  +    hash = "sha256-8pZ/HAVV341K6QRDUC0UzzO2rGW2AvSZ++Pp445V27w=";
     };
   
     buildInputs = [ perl expat xlibsWrapper freetype ];
  
positive.code:   NIX_CFLAGS_COMPILE = "-I${freetype}/include/freetype2 -fgnu89-inline";
  
    meta = with lib; {
      description = "Player for Z-Code, TADS and HUGO stories or games";
      longDescription = ''
        Zoom is a player for Z-Code, TADS and HUGO stories or games. These are
  
negative.code: { lib
  , stdenv
  , fetchurl
  , perl
  , expat
  , xlibsWrapper
  , freetype
  }:
  
  # !!! assert freetype == xorg.freetype
  
  