tree 9691020f41a292e803c6dabb31e552b59ed5592b
parent ab8cc2a7437c25df5bb12aee3fbcaf9924cf68ca
author Shawn O. Pearce <sop@google.com> 1262293380 -0800
committer Shawn O. Pearce <sop@google.com> 1262491060 -0800

Document why ReplicationUser doesn't use registered groups

I forgot why we did this isEmpty test before adding the registered
groups into the set.  Explain what the heck is going on.

Change-Id: Ic62ec8b56b139aa3e9276fc9f3c9b2d3da12273c
Signed-off-by: Shawn O. Pearce <sop@google.com>