[perl6/specs] 512317: Make .stdout/.stderr suppliers more generic

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/perl6/specs
  Commit: 5123177528164d25e78df9d012316ace8d2ebb64
      
https://github.com/perl6/specs/commit/5123177528164d25e78df9d012316ace8d2ebb64
  Author: Elizabeth Mattijsen <l...@dijkmat.nl>
  Date:   2014-09-15 (Mon, 15 Sep 2014)

  Changed paths:
    M S17-concurrency.pod

  Log Message:
  -----------
  Make .stdout/.stderr suppliers more generic