anchor.diff:    };
   
     nativeBuildInputs =
  -    [ unzip bdftopcf mkfontscale ];
  +    [ unzip bdftopcf mkfontscale fontforge ];
   
     patchPhase = "sed -i 's/microsoft-cp1252/ISO8859-1/' *.bdf";
   
  
positive.code: { stdenv, fetchurl, unzip
  , bdftopcf, mkfontscale
  }:
  
  stdenv.mkDerivation {
  
negative.code:       bdftopcf -t -o $(newName "$i").pcf "$i"
      done
      gzip -n -9 *.pcf
  
      # convert bdf fonts to otb
      for i in *.bdf; do
        fontforge -lang=ff -c "Open(\"$i\"); Generate(\"$(newName $i).otb\")"
      done
    '';
  
    installPhase = ''
      install -D -m 644 -t "$out/share/fonts/misc" *.pcf.gz
      install -D -m 644 -t "$bdf/share/fonts/misc" *.bdf
      install -D -m 644 -t "$otb/share/fonts/misc" *.otb
      mkfontdir "$out/share/fonts/misc"
      mkfontdir "$bdf/share/fonts/misc"
      mkfontdir "$otb/share/fonts/misc"
    '';
  
    outputs = [ "out" "bdf" "otb" ];
  
    meta = with stdenv.lib; {
      description = "A monospace bitmap font aimed at programmers";
  