anchor.diff:        else ''cp "${variantsDat}" VARIANTS.dat'');
   
     postBuild = ''
  -    # convert bdf to psf and otb fonts
  +    # convert bdf fonts to psf
       build=$(pwd)
       mkdir {psf,otb}
       cd ${bdf2psf}/share/bdf2psf
  
positive.code:         --fb "$i" standard.equivalents \
          ascii.set+useful.set+linux.set 512 \
          "$build/psf/$name.psf"
        fonttosfnt -v -o "$build/otb/$name.otb" "$i"
      done
      cd $build
    '';
  
    postInstall = ''
      # install psf fonts
      fontDir="$out/share/consolefonts"
      mkdir -p "$fontDir"
      mv -t "$fontDir" psf/*.psf
      mv -t "$out/share/fonts/X11/misc" otb/*.otb
    '';
  
    meta = with stdenv.lib; {
      description = "Monospace bitmap screen fonts for X11";
  
negative.code:   patches = [ ./determinism.patch ];
  
    nativeBuildInputs = [ perl bdftopcf bdf2psf fonttosfnt mkfontdir ];
  
    # configure sizes, encodings and variants
    preConfigure =
  