elixir-lang/emacs-elixir — pull request #37 by syohex (2014-02-14 06:52:24+00:00)
Title: Remove needless statement

Changing 'default-tab-width' makes no sense. Only changing 'tab-width'
is enough to changing tab size of buffer.

And 'default-tab-width' causes a byte-compile warning
because it is obsolete variable.