anchor.diff:  
   stdenv.mkDerivation rec {
     name = "gettext-0.17";
  -  
  +
     src = fetchurl {
       url = "mirror://gnu/gettext/${name}.tar.gz";
       sha256 = "1fipjpaxxwifdw6cbr7mkxp1yvy643i38nhlh7124bqnisxki5i0";
  
positive.code:   '';
  
    buildInputs = stdenv.lib.optional (!stdenv.isLinux) libiconv;
    
    meta = {
      description = "GNU gettext, a well integrated set of translation tools and documentation";
  
  
negative.code:     homepage = http://www.gnu.org/software/gettext/;
  
      maintainers = [ ];
      branch = "0.17";
    };
  }