By setting the commentstring, you support commenting with plugins like tComment. Now Vim won't default to incorrect `/* */` comments. Upstream-commit: ea59ce60c5fc40e6708c22cf90d7cce08d12e294 Component: engine
See https://github.com/honza/dockerfile.vim See also https://twitter.com/_honza/status/390046317579620352 Upstream-commit: ace059e409f0df056ace0191b02504d051b81d92 Component: engine