anchor.diff:          --subst-var-by fontname "''${name//-/ }"
       done
     '';
  -
  -  outputHashAlgo = "sha256";
  -  outputHashMode = "recursive";
  -  outputHash = "089d2m9bvaacj36qdq77pcazji0sbbr796shic3k52cpxkjnzbwh";
   
     meta = with lib; {
       homepage = "http://corefonts.sourceforge.net/";
  
positive.code:     inherit sha256;
    }) fonts;
  
    nativeBuildInputs = [cabextract];
  
    buildCommand = ''
      for i in $exes; do
          cabextract --lowercase $i
      done
  
      cabextract --lowercase viewer1.cab
  
      install -m444 -Dt $out/share/fonts/truetype *.ttf
  
      # Also put the EULA there to be on the safe side.
      cp ${eula} $out/share/fonts/truetype/eula.html
  
      # Set up no-op font configs to override any aliases set up by
      # other packages.
      mkdir -p $out/etc/fonts/conf.d
      for name in Andale-Mono Arial-Black Arial Comic-Sans-MS \
                  Courier-New Georgia Impact Times-New-Roman \
  
negative.code: { lib, stdenv, fetchurl, cabextract }:
  
  let
    fonts = [
      { name = "andale";  sha256 = "0w7927hlwayqf3vvanf8f3qp2g1i404jzqvhp1z3mp0sjm1gw905"; }
      { name = "arial";   sha256 = "1xkqyivbyb3z9dcalzidf8m4npzfpls2g0kldyn8g73f2i6plac5"; }
      { name = "arialb";  sha256 = "1a60zqrg63kjnykh5hz7dbpzvx7lyivn3vbrp7jyv9d1nvzz09d4"; }
      { name = "comic";   sha256 = "0ki0rljjc1pxkbsxg515fwx15yc95bdyaksa3pjd89nyxzzg6vcw"; }
      { name = "courie";  sha256 = "111k3waxki9yyxpjwl2qrdkswvsd2dmvhbjmmrwyipam2s31sldv"; }
      { name = "georgi";  sha256 = "0083jcpd837j2c06kp1q8glfjn9k7z6vg3wi137savk0lv6psb1c"; }
      { name = "impact";  sha256 = "1yyc5z7zmm3s418hmrkmc8znc55afsrz5dgxblpn9n81fhxyyqb0"; }
      { name = "times";   sha256 = "1aq7z3l46vwgqljvq9zfgkii6aivy00z1529qbjkspggqrg5jmnv"; }
      { name = "trebuc";  sha256 = "1jfsgz80pvyqvpfpaiz5pd8zwlcn67rg2jgynjwf22sip2dhssas"; }
      { name = "webdin";  sha256 = "0nnp2znmnmx87ijq9zma0vl0hd46npx38p0cc6lgp00hpid5nnb4"; }
      { name = "verdan";  sha256 = "15mdbbfqbyp25a6ynik3rck3m3mg44plwrj79rwncc9nbqjn3jy1"; }
      { name = "wd97vwr"; sha256 = "1lmkh3zb6xv47k0z2mcwk3vk8jff9m845c9igxm14bbvs6k2c4gn"; }
    ];
  
    eula = fetchurl {
      url = "http://corefonts.sourceforge.net/eula.htm";
      sha256 = "1aqbcnl032g2hd7iy56cs022g47scb0jxxp3mm206x1yqc90vs1c";
    };
  in
  stdenv.mkDerivation {
    pname = "corefonts";
    version = "1";
  