NIXPKG1 http://nix.cs.uu.nl/dist/nix/nixpkgs-0.11/MANIFEST docbook-xml-4.2 powerpc-darwin /nix/store/2bgcmiwbz721g4clsxsxrhjn4flb0jjf-docbook-xml-4.2.drv /nix/store/42pba61w6m4jvfs9mdnbis98val9dhra-docbook-xml-4.2