expat parser not xml 1.1 compliant (breaks xmlrpclib) - still

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2020-01-31.18:26:08.418>
labels = ['expert-XML']
title = 'expat parser not xml 1.1 compliant (breaks xmlrpclib) - still'
updated_at = <Date 2020-02-09.19:48:49.160>
user = 'https://bugs.python.org/mforkel'

bugs.python.org fields:

activity = <Date 2020-02-09.19:48:49.160>
actor = 'terry.reedy'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['XML']
creation = <Date 2020-01-31.18:26:08.418>
creator = 'mforkel'
dependencies = []
files = []
hgrepos = []
issue_num = 39512
keywords = []
message_count = 2.0
messages = ['361124', '361660']
nosy_count = 3.0
nosy_names = ['terry.reedy', 'scode', 'mforkel']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = None
url = 'https://bugs.python.org/issue39512'
versions = []