github/linguist — pull request #1261 by woodruffw (2014-06-08 01:25:27+00:00)
Title: Added two more common mathematica suffixes

Linguist incorrectly identifies Mathematica Packages (".m" files) as Objective-C implementation files, and doesn't recognize Mathematica notebooks (".nb") at all.
Added two rules to languages.yml to correct this behavior.