[Checkins] [zopefoundation/Zope] ab64f9: Port whitelist creation from zope.browserpage

[Matthew Wilkes]

  Branch: refs/heads/wilkes/397-allowed-attributes
  Home:   https://github.com/zopefoundation/Zope
  Commit: ab64f98d59f718765f02af092de4fde3fe8a1c2e
      https://github.com/zopefoundation/Zope/commit/ab64f98d59f718765f02af092de4fde3fe8a1c2e
  Author: Matthew Wilkes <git at matthewwilkes.name>
  Date:   2019-05-27 (Mon, 27 May 2019)

  Changed paths:
    M src/Products/Five/browser/metaconfigure.py

  Log Message:
  -----------
  Port whitelist creation from zope.browserpage