<part   xmlns="http://docbook.org/ns/docbook"
        xmlns:xlink="http://www.w3.org/1999/xlink"
        xmlns:xi="http://www.w3.org/2001/XInclude"
        version="5.0"
        xml:id="ch-development">

<title>Development</title>

<partintro>
<para>This chapter describes how you can modify and extend
NixOS.</para>
</partintro>

<xi:include href="sources.xml" />
<xi:include href="writing-modules.xml" />
<xi:include href="building-parts.xml" />
<xi:include href="building-nixos.xml" />
<xi:include href="testing-installer.xml" />

</part>
