[Checkins] [zopefoundation/ZConfig] 56d3e7: add pygments lexer for zconfig configuration syntax

[Fred Drake]

  Branch: refs/heads/fd-pygments
  Home:   https://github.com/zopefoundation/ZConfig
  Commit: 56d3e7a48a76f5777c2e89d40b83f749f75cccb7
      https://github.com/zopefoundation/ZConfig/commit/56d3e7a48a76f5777c2e89d40b83f749f75cccb7
  Author: Fred Drake <fred.drake at keepertech.com>
  Date:   2019-09-23 (Mon, 23 Sep 2019)

  Changed paths:
    M .travis.yml
    M CHANGES.rst
    A ZConfig/pygments.py
    M ZConfig/substitution.py
    A ZConfig/tests/test_pygments.py
    M setup.py
    M tox.ini

  Log Message:
  -----------
  add pygments lexer for zconfig configuration syntax

- closes issue #71