Allow BUILD files directly under the build root
This makes the empty package name legal (//:foo). If the empty package is used,
this symlinks everything under the build root to the exec root. This includes
directories.
--
MOS_MIGRATED_REVID=87960882
diff --git a/docs/build-ref.html b/docs/build-ref.html
index fe808ac..315603f 100644
--- a/docs/build-ref.html
+++ b/docs/build-ref.html
@@ -546,6 +546,11 @@
'<code>_</code>', and '<code>/</code>'.
</p>
+<p>
+ The empty string is also a valid package name (e.g., //:foo). Generally
+ projects should attempt to use more descriptively named packages, though.
+</p>
+
<p>
Package names may not contain the substring <code>//</code>, nor