[perl6/specs] 57750d: Some more clarifications, especially with provides

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/perl6/specs
  Commit: 57750d03f26ff527221a05879d818b37a3052824
      
https://github.com/perl6/specs/commit/57750d03f26ff527221a05879d818b37a3052824
  Author: Elizabeth Mattijsen <l...@dijkmat.nl>
  Date:   2014-03-19 (Wed, 19 Mar 2014)

  Changed paths:
    M S22-package-format.pod

  Log Message:
  -----------
  Some more clarifications, especially with provides