<h3 id="go-command">Go command</h3>
+<p id="go-env-w"><!-- CL 171137 -->
+ The <a href="/cmd/go/#hdr-Environment_variables"><code>go</code> <code>env</code></a>
+ command now accepts a <code>-w</code> flag to set the per-user default value
+ of an enviroment variable recognized by the
+ <code>go</code> command, and a corresponding <code>-u</code> flag to unset a
+ previously-set default. Defaults set via
+ <code>go</code> <code>env</code> <code>-w</code> are stored in the
+ <code>go/env</code> file within
+ <a href="/pkg/os/#UserConfigDir"><code>os.UserConfigDir()</code></a>.
+</p>
+
<p id="trimpath"><!-- CL 173345 -->
The new <a href="/cmd/go/#hdr-Compile_packages_and_dependencies"><code>go</code>
<code>build</code> flag</a> <code>-trimpath</code> removes all file system paths
files may be searched for directives but ignored during build.
</p>
-<p><!-- CL 171137 -->
- TODO
-</p>
-
<h3 id="compiler">Compiler toolchain</h3>
<p><!-- CL 170448 -->