[Checkins] [zopefoundation/Zope] 2eee71: rework chameleon/zope context integration

[Dieter Maurer]

  Branch: refs/heads/chameleon_zope_context_wrapping
  Home:   https://github.com/zopefoundation/Zope
  Commit: 2eee719b6e3375aacc5771a38f4696c6cf615127
      https://github.com/zopefoundation/Zope/commit/2eee719b6e3375aacc5771a38f4696c6cf615127
  Author: dieter <dieter at handshake.de>
  Date:   2020-07-10 (Fri, 10 Jul 2020)

  Changed paths:
    M src/Products/PageTemplates/engine.py
    M src/Products/PageTemplates/tests/testC2ZContext.py

  Log Message:
  -----------
  rework chameleon/zope context integration