Fritz Koenig 69ee697fef Comments for alt ref flags.
Clarify what the alt ref flags do when encoding.

Change-Id: I71f78e0f42edae633fb91840f29dfbe64362c44c
2010-11-16 15:16:24 -08:00
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2010-11-16 15:16:24 -08:00
2010-11-01 16:24:15 -04:00