[Checkins] [zopefoundation/zope.app.publisher] 4289f2: Fix handling of HTTP body in `.xmlrpc.testing`.

[Michael Howitz]

  Branch: refs/heads/fix-11/xmlrpc-testing
  Home:   https://github.com/zopefoundation/zope.app.publisher
  Commit: 4289f2fba1bf21d517ae50147fef3b2b75e7d3c0
      https://github.com/zopefoundation/zope.app.publisher/commit/4289f2fba1bf21d517ae50147fef3b2b75e7d3c0
  Author: Michael Howitz <mh at gocept.com>
  Date:   2020-04-17 (Fri, 17 Apr 2020)

  Changed paths:
    M CHANGES.rst
    M src/zope/app/publisher/xmlrpc/README.rst
    M src/zope/app/publisher/xmlrpc/testing.py

  Log Message:
  -----------
  Fix handling of HTTP body in `.xmlrpc.testing`.

This enables to use characters beyond ASCII.