elasticsearch/elasticsearch — pull request #7671 by jhominal (2014-09-10 09:24:15+00:00)
Title: Add that children aggregation is coming in 1.4.0

I had a syntax error because I tried the `children` aggregation on my deployed instance of ElasticSearch 1.3.2, and I had to look in the source repository to understand where it was coming from.

Better to avoid that hassle for other people.