doc: add note about import . to Go 1 compatibility notes
R=r
CC=golang-dev
https://golang.org/cl/5752065
diff --git a/doc/go1compat.html b/doc/go1compat.html
index 3804634..1dfd382c 100644
--- a/doc/go1compat.html
+++ b/doc/go1compat.html
@@ -94,6 +94,15 @@
in a separate package should use the tagged notation.
</li>
+<li>
+Dot imports. If a program imports a standard package
+using <code>import . "path"</code>, additional names defined in the
+imported package in future releases may conflict with other names
+defined in the program. We do not recommend the use of <code>import .</code>
+outside of tests, and using it may cause a program to fail
+to compile in future releases.
+</li>
+
</ul>
<p>
