[Checkins] [zopefoundation/Zope] 8bb3e2: make safe with respect to filesystem based long te...

[Dieter Maurer]

  Branch: refs/heads/issue717-pttales-4.x
  Home:   https://github.com/zopefoundation/Zope
  Commit: 8bb3e24dd8da40e3e0b61cf24067bec914195999
      https://github.com/zopefoundation/Zope/commit/8bb3e24dd8da40e3e0b61cf24067bec914195999
  Author: dieter <dieter at handshake.de>
  Date:   2020-03-20 (Fri, 20 Mar 2020)

  Changed paths:
    M CHANGES.rst
    M src/Products/Five/browser/pagetemplatefile.py
    M src/Products/PageTemplates/Expressions.py
    M src/Products/PageTemplates/engine.py
    A src/Products/PageTemplates/expression.py
    A src/Products/PageTemplates/tests/output/CH_CheckNotExpression.html
    A src/Products/PageTemplates/tests/output/CH_CheckPathAlt.html
    A src/Products/PageTemplates/tests/testChameleonTalesExpressions.py
    M src/Products/PageTemplates/tests/testHTMLTests.py
    A src/Products/PageTemplates/tests/testZopeTalesExpressions.py
    M src/Products/PageTemplates/tests/util.py

  Log Message:
  -----------
  make safe with respect to filesystem based long term cache
support `chameleon.tales` as well as `zope.tales` expressions (type decided by the engine returned by `pt_getEngine`