tc39/ecma262 — pull request #15 by jeffmo (2014-11-20 22:27:12+00:00)
Title: Add `trailing commas in func exprs` as a stage 1 current proposal

Per the meeting notes from the Sep'14 meeting, this proposal is
currently at Stage 1.

https://github.com/tc39/tc39-notes/blob/master/es6/2014-09/sept-24.md#51-trailing-commas-in-function-call-expressions-and-declarations