RallySoftware/rally-emacs — pull request #8 by bcotton (2013-03-13 01:21:22+00:00)
Title: Leave truncate mode off, as is the default

According to the emacs Wiki, turning on truncate-lines globally is a bad idea.
As a long-time emacs user, I found this quite annoying.
This belongs in user.init.el if preferred