nixpkgs/doc/functions/library.xml

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         xml:id="sec-functions-library">
 <title>Nixpkgs Library Functions</title>

 <para>
  Nixpkgs provides a standard library at <varname>pkgs.lib</varname>, or through <code>import &lt;nixpkgs/lib&gt;</code>.
 </para>

 <!-- The index must have a root element to declare namespaces, but we
      don't want to include it, so we select all of its children. -->
 <xi:include href="./library/generated/index.xml" xpointer="xpointer(/root/*)" />
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