shlex doesn't differentiate escaped characters in output

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2019-05-13.00:59:51.237>
labels = ['3.7', 'type-bug', 'library']
title = "shlex doesn't differentiate escaped characters in output"
updated_at = <Date 2019-05-14.01:12:01.944>
user = 'https://bugs.python.org/MatthewGamble'

bugs.python.org fields:

activity = <Date 2019-05-14.01:12:01.944>
actor = 'Matthew Gamble'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2019-05-13.00:59:51.237>
creator = 'Matthew Gamble'
dependencies = []
files = []
hgrepos = []
issue_num = 36897
keywords = []
message_count = 5.0
messages = ['342276', '342383', '342399', '342406', '342410']
nosy_count = 2.0
nosy_names = ['eric.smith', 'Matthew Gamble']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue36897'
versions = ['Python 3.6', 'Python 3.7']