nixpkgs/pkgs/data/sgml+xml/schemas/xml-dtd/docbook/4.2.nix

{lib, stdenv, fetchurl, unzip, findXMLCatalogs}:

import ./generic.nix {
  inherit lib stdenv unzip findXMLCatalogs;
  name = "docbook-xml-4.2";
  src = fetchurl {
    url = "http://www.docbook.org/xml/4.2/docbook-xml-4.2.zip";
    sha256 = "acc4601e4f97a196076b7e64b368d9248b07c7abf26b34a02cca40eeebe60fa2";
  };
  meta = {
    branch = "4.2";
  };
}