[perl6/specs] 59a1d6: Better spec :ENV and :w for Proc::Async.new

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/perl6/specs
  Commit: 59a1d61759549c7975cecfb5d6be6af2c4524530
      
https://github.com/perl6/specs/commit/59a1d61759549c7975cecfb5d6be6af2c4524530
  Author: Elizabeth Mattijsen <l...@dijkmat.nl>
  Date:   2014-09-15 (Mon, 15 Sep 2014)

  Changed paths:
    M S17-concurrency.pod

  Log Message:
  -----------
  Better spec :ENV and :w for Proc::Async.new