github/linguist — pull request #1828 by pchaigno (2014-12-05 00:10:32+00:00)
Title: Support for Plan9

This pull request adds support for Plan9 as discussed in #941.
[Many Plan9 files](https://github.com/search?utf8=%E2%9C%93&q=%22%2Fbin%2Frc%22&type=Code&ref=searchresults) can be found on GitHub. They don't have an extension but can be recognized by their extension.