[Checkins] [zopefoundation/Zope] e5da36: `IZopeAwareEngine` to address #864

[Dieter Maurer]

  Branch: refs/heads/IZopeAwareEngine#864
  Home:   https://github.com/zopefoundation/Zope
  Commit: e5da36b4e3c1a12f96b290aa0a50f284c1d0cd95
      https://github.com/zopefoundation/Zope/commit/e5da36b4e3c1a12f96b290aa0a50f284c1d0cd95
  Author: dieter <dieter at handshake.de>
  Date:   2020-07-08 (Wed, 08 Jul 2020)

  Changed paths:
    M CHANGES.rst
    M src/Products/PageTemplates/Expressions.py
    M src/Products/PageTemplates/engine.py
    M src/Products/PageTemplates/expression.py
    M src/Products/PageTemplates/interfaces.py
    A src/Products/PageTemplates/tests/testZopeAwareEngine.py

  Log Message:
  -----------
  `IZopeAwareEngine` to address #864