anchor.diff:      done;
     '';
   
  -  meta = with stdenv.lib; {
  +  meta = with lib; {
       description = "A typeface family based on the Bitstream Vera fonts";
       homepage = http://dejavu-fonts.org/;
       license = licenses.free; # BitstreamVera & public domain
  
positive.code: { stdenv
  , fetchurl
  
  , fontconfig
  , fontforge
  
negative.code: 
  let
    version = "2.37";
  
    version_ = lib.replaceChars ["."] ["_"] version;
  in
  stdenv.mkDerivation rec {
    name = "dejavu-fonts-${version}";
  
    src = fetchurl {
      urls = [
        "https://github.com/dejavu-fonts/dejavu-fonts/releases/download/version_${version_}/${name}.tar.bz2"
        "mirror://sourceforge/dejavu/${name}.tar.bz2"
      ];
      sha256 = "4b21c5203f792343d5e90ab1cb0cf07e99887218abe3d83cd9a98cea9085e799";
    };
  
  