tree 25a91882cc60b63cd9100aa06b533b21f2005976
parent 253c865d79a34ba7f25606f7e10143173a6313db
author weibit <weibit@gmail.com> 1414171586 -0700
committer weibit <weibit@gmail.com> 1414171586 -0700

support bidirectional links

Change-Id: I6c5d092abf7629b28ea0b1928ee6cf63f99de962