codemirror/CodeMirror — pull request #2888 by parisk (2014-10-23 13:03:17+00:00)
Title: Introduce Dockerfile mode

This pull request introduces syntax highlighting for [Dockerfiles](https://docs.docker.com/reference/builder/#format) by utilizing the [simple mode add-on](codemirror.net/demo/simplemode.html).

### Features
- Instruction highlighting
- Line comment highlighting
- Inline comment highlighting