ghoseb/dotemacs — pull request #7 by firesofmay (2013-07-03 12:38:01+00:00)
Title: Add exec-path-from-shell to core.

On OS X, an Emacs instance started from the graphical user interface will have a different environment than a shell in a terminal window.
This library works around this problem by copying important environment variables from the user's shell.
URL : https://github.com/purcell/exec-path-from-shell