anchor.diff:        inherit fetchurl stdenv zlib python;
         pythonSupport = true;
       };
  +  };
  +
  +  sablotron = (import ../tools/text/xml/sablotron) {
  +    inherit fetchurl stdenv expat;
     };
   
     jing = (import ../tools/text/xml/jing) {
  
positive.code:     inherit fetchurl perl expat;
    };
  
    perlXMLLibXML = import ../development/perl-modules/generic perl {
      name = "XML-LibXML-1.58";
      src = fetchurl {
  
negative.code: 
    openssl = (import ../development/libraries/openssl) {
      inherit fetchurl stdenv perl;
    };
  
    libmspack = (import ../development/libraries/libmspack) {
      inherit fetchurl stdenv;
    };
  
    libsndfile = (import ../development/libraries/libsndfile) {
      inherit fetchurl stdenv;
    };
  
    neon = (import ../development/libraries/neon) {
      inherit fetchurl stdenv libxml2;
    };
  
    nss = (import ../development/libraries/nss) {
  