github/linguist — pull request #308 by HerbertKoelman (2012-12-04 23:04:46+00:00)
Title: Adding uppercase C extension to identify C++ source code

Hello,

Ok uppercase C is rather an old fashioned C++ extension. But yet it's there, all my code is using that extension ??!!

So if it could be merged, I would be an even happier GitHub user :-)