[perl6/specs] 2eb5cd: Add reminder to toss $*MAIN-ALLOW-NAMED-ANYWHERE

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/perl6/specs
  Commit: 2eb5cd1e7a974422b10cb664515bed7de40877ed
      
https://github.com/perl6/specs/commit/2eb5cd1e7a974422b10cb664515bed7de40877ed
  Author: Zoffix Znet <zoffixz...@users.noreply.github.com>
  Date:   2017-06-30 (Fri, 30 Jun 2017)

  Changed paths:
    M v6d.pod

  Log Message:
  -----------
  Add reminder to toss $*MAIN-ALLOW-NAMED-ANYWHERE

backwards compat support in 6.d