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: 
  let
    version = "2.37";
  in
  stdenv.mkDerivation rec {
    name = "dejavu-fonts-${version}";
  
    src = fetchurl {
      url = "mirror://sourceforge/dejavu/dejavu-fonts-${version}.tar.bz2";
      multihash = "QmYnZ3hkSocQJoBdQX8FqoPCVWbnvwiubciVVxCfLnGPe2";
      fullOpts = {
        md5Confirm = "41e4ea9f903674923d1ef61bd88bcb41";
      };
      sha256 = "4b21c5203f792343d5e90ab1cb0cf07e99887218abe3d83cd9a98cea9085e799";
    };
  
  
negative.code: { stdenv
  , fetchurl
  , lib
  
  , fontconfig
  , fontforge
  