NIXPKG1 http://nix.cs.uu.nl/dist/nix/nixpkgs-0.9/MANIFEST docbook-xml-4.3 i686-linux /nix/store/304s9k19yfbl7yv4ydfqjwsnmksg4k1q-docbook-xml-4.3.drv /nix/store/xfvy8qd4hq9m8qb87mc1c503l4za6mmx-docbook-xml-4.3