Ramiro Morales 89ce55b301 [1.5.x] Mention backward relationships in aggregate docs.
Thanks Anssi and Marc Tamlyn for reviewing.

Fixes #19803.

0560bfb705687c831e2769b1202706e2ceb1f7a7 from master.
2013-02-14 20:47:04 -03:00
..
2013-02-14 20:46:27 -03:00
2013-01-23 19:21:42 -05:00