IDLE: click on context line should jump to line, at top of window #77949

assignee = 'https://github.com/terryjreedy'
closed_at = <Date 2018-06-08.05:51:45.812>
created_at = <Date 2018-06-04.05:54:31.834>
labels = ['3.8', 'expert-IDLE', 'type-feature', '3.7']
title = 'IDLE: click on context line should jump to line, at top of window'
updated_at = <Date 2018-06-08.05:51:45.811>
user = 'https://github.com/terryjreedy'

activity = <Date 2018-06-08.05:51:45.811>
actor = 'terry.reedy'
assignee = 'terry.reedy'
closed = True
closed_date = <Date 2018-06-08.05:51:45.812>
closer = 'terry.reedy'
components = ['IDLE']
creation = <Date 2018-06-04.05:54:31.834>
creator = 'terry.reedy'
dependencies = ['33763']
files = []
hgrepos = []
issue_num = 33768
keywords = ['patch']
message_count = 6.0
messages = ['318636', '318702', '318710', '319019', '319021', '319022']
nosy_count = 3.0
nosy_names = ['terry.reedy', 'cheryl.sabella', 'miss-islington']
pr_nums = ['7411', '7515', '7516']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue33768'
versions = ['Python 3.6', 'Python 3.7', 'Python 3.8']