atom/language-yaml — pull request #15 by tgwizard (2014-10-18 10:12:20+00:00)
Title: Detect cloud-config files as yaml

These are specified to start with #cloud-config, and to be yaml.

http://cloudinit.readthedocs.org/en/latest/topics/format.html#cloud-config-data
https://github.com/coreos/coreos-cloudinit