encoded-word abused for header line folding causes RFC 2047 violation

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2020-08-14.11:53:18.338>
labels = ['type-bug', '3.7', 'expert-email']
title = 'encoded-word abused for header line folding causes RFC 2047 violation'
updated_at = <Date 2020-08-18.11:57:09.578>
user = 'https://bugs.python.org/equaeghe'

bugs.python.org fields:

activity = <Date 2020-08-18.11:57:09.578>
actor = 'Mika_Hawkins'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['email']
creation = <Date 2020-08-14.11:53:18.338>
creator = 'equaeghe'
dependencies = []
files = []
hgrepos = []
issue_num = 41553
keywords = []
message_count = 6.0
messages = ['375397', '375409', '375411', '375434', '375566', '375612']
nosy_count = 5.0
nosy_names = ['barry', 'r.david.murray', 'equaeghe', 'Jeffrey.Kintscher', 'Mika_Hawkins']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue41553'
versions = ['Python 3.7']