doc: Added link to 'go help gopath'

The existing go code document did not link to the GOPATH documentation.
This will link to it, in hopes of making it more discoverable.

Change-Id: Ie4ded2fdce08f412e4acbcc93acdd76f5791b84a
Reviewed-on: https://go-review.googlesource.com/2265
Reviewed-by: Andrew Gerrand <adg@golang.org>

diff --git a/doc/code.html b/doc/code.html
index 2141fb6551c85b1a17e275344c2b3365ef352d64..8cbfba04a02254a3b2def61c19463bb36a28b023 100644 (file)
--- a/doc/code.html
+++ b/doc/code.html
@@ -127,6 +127,11 @@ to your <code>PATH</code>:
 $ <b>export PATH=$PATH:$GOPATH/bin</b>
 </pre>
 
+<p>
+To learn more about setting up the <code>GOPATH</code> environment variable,
+please see
+<a href="/cmd/go/#hdr-GOPATH_environment_variable"><code>go help gopath</code></a>
+</p>
 
 <h3 id="PackagePaths">Package paths</h3>