a href="http://wiki.commonjs.org/wiki/Packages/1.0">Packages</a> spec details a
few ways that you can indicate the structure of your package using a <code>directories</code>
object. If you look at <a href="https://registry.npmjs.org/npm/latest">npm&#39;s package.json</a>,
you&#39;ll see that it has directories for doc, lib, and man.</p>
<p>In the future, this information may be used in other creative ways.</p>
<h3 id="directories-lib">directories.lib</h3>
<p>Tell people where the bulk of your library is.  N