anchor.diff:  { stdenv
   , fetchFromGitHub
  -, fetchpatch
   , docbook_xml_dtd_43
   , docbook_xsl
   , glib
  
positive.code: 
  stdenv.mkDerivation rec {
    pname = "libxmlb";
    version = "0.1.11";
  
    outputs = [ "out" "lib" "dev" "devdoc" "installedTests" ];
  
  
negative.code:     owner = "hughsie";
      repo = "libxmlb";
      rev = version;
      sha256 = "14bk7bk08mjbildak1l7jq7idcyask7384vigpq9zmwai1gax4s7";
    };
  
    patches = [
      ./installed-tests-path.patch
    ];
  
  