ref: 7e94001f96f9c1f05af4be980ef8c25cea6b1342
parent: e559a7dc5f76558ea0f56d9bf26385b04b496bd4
author: Ori Bernstein <orib@google.com>
date: Tue Feb 19 09:01:04 EST 2013
Allow empty package names.
This exports the symbols into the main namespace.