 1.
Some have moved, some have been renamed, some have been deleted.
New packages are described in later sections.
</p>

<h3 id="hierarchy">The package hierarchy</h3>

<p>
Go 1 has a rearranged package hierarchy that groups related items
into subdirectories. For instance, <code>utf8</code> and
<code>utf16</code> now occupy subdirectories of <code>unicode</code>.
Also, <a href="#subrepo">some packages</a> have moved into
subrepositories of
<a href="http://code.google.com/p/go"><code>code.google.com/p/go</cod