IDLE: Show help(object) output in a text viewer

GitHub fields:

assignee = 'https://github.com/taleinat'
closed_at = None
created_at = <Date 2019-08-05.20:56:06.543>
labels = ['3.8', 'expert-IDLE', 'type-feature', '3.7', '3.9']
title = 'IDLE: Show help(object) output in a text viewer'
updated_at = <Date 2021-06-06.15:28:24.396>
user = 'https://github.com/taleinat'

bugs.python.org fields:

activity = <Date 2021-06-06.15:28:24.396>
actor = 'taleinat'
assignee = 'taleinat'
closed = False
closed_date = None
closer = None
components = ['IDLE']
creation = <Date 2019-08-05.20:56:06.543>
creator = 'taleinat'
dependencies = []
files = []
hgrepos = []
issue_num = 37768
keywords = ['patch']
message_count = 5.0
messages = ['349073', '349075', '349076', '351059', '351065']
nosy_count = 3.0
nosy_names = ['rhettinger', 'terry.reedy', 'taleinat']
pr_nums = ['15140', '26561']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue37768'
versions = ['Python 3.7', 'Python 3.8', 'Python 3.9']