<chapter xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xml:id="chap-contributing"> <title>Contributing</title> <para>If you make modifications to the manual, it's important to build the manual before contributing:</para> <orderedlist> <listitem><para><command>$ git clone git://github.com/NixOS/nixpkgs.git</command></para></listitem> <listitem><para><command>$ cd nixpkgs/pkgs/top-level</command></para></listitem> <listitem><para><command>$ nix-build -A tarball release.nix</command></para></listitem> <listitem><para>Inside the built derivation you shall see <literal>manual/index.html</literal> file.</para></listitem> </orderedlist> </chapter>