atom/atom — pull request #3961 by ccoenen (2014-10-25 12:46:08+00:00)
Title: Adding underscore to default non-word characters

I'm using undescores regularly in ruby, where you would usually write them like `SOME_MADE_UP_CONSTANT = true`, jumping between words in that variable works nicer (for me, that is) when i can navigate the individual words.