[Checkins] [zopefoundation/Zope] 23173e: increase consistency between `chameleon` and `zope...

[Dieter Maurer]

  Branch: refs/heads/issue717-pttales-4.x
  Home:   https://github.com/zopefoundation/Zope
  Commit: 23173e8cfd984541dbb34ec89f9133d26832b876
      https://github.com/zopefoundation/Zope/commit/23173e8cfd984541dbb34ec89f9133d26832b876
  Author: dieter <dieter at handshake.de>
  Date:   2020-03-24 (Tue, 24 Mar 2020)

  Changed paths:
    M src/Products/PageTemplates/engine.py
    M src/Products/PageTemplates/expression.py
    M src/Products/PageTemplates/tests/input/RepeatVariable.html
    M src/Products/PageTemplates/tests/output/Loop2.html
    M src/Products/PageTemplates/tests/output/RepeatVariable.html
    M src/Products/PageTemplates/tests/testChameleonTalesExpressions.py
    M src/Products/PageTemplates/tests/testHTMLTests.py

  Log Message:
  -----------
  increase consistency between `chameleon` and `zope.pagetemplate` template engines;
run all tests with the `chameleon` template engine