ansible/ansible — pull request #414 by emgee (2012-05-23 00:43:26+00:00)
Title: Support optional custom template variable markers.

Jinja's default, {{ }}, is not always appropriate. For example, Erlang
uses {...} for tuples and it's not uncommon to have a tuple nested in
another tuple, e.g. {{term1, [term2, term3]}, ...}.