Merge pull request #335 from weiss/avoid-carbon-dups
authorEvgeny Khramtsov <xramtsov@gmail.com>
Wed, 5 Nov 2014 20:17:45 +0000 (23:17 +0300)
committerEvgeny Khramtsov <xramtsov@gmail.com>
Wed, 5 Nov 2014 20:17:45 +0000 (23:17 +0300)
Avoid duplicates of carbon copies


Trivial merge