elixir-lang/elixir — pull request #2116 by thegrubbsian (2014-03-13 22:15:10+00:00)
Title: Improve Process.register/2 docs

Had an issue in which the result of calling Process.register/2 with a dead or previously registered pid resulted in an ArgumentError with a vague stack trace. Added documentation to clarify that the call will fail in these two conditions.