textpad from curses package isn't handling backspace key

[bacher09]

BPO	32068
Nosy	@ZackerySpytz, @bacher09, @KrishnaSai2020
PRs	gh-76249: curses.textpad isn't handling the backspace key on some systems #23466
Files	textpad.patch

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2017-11-18.14:20:36.509>
labels = ['3.7', 'type-bug', 'library']
title = "textpad from curses package isn't handling backspace key"
updated_at = <Date 2020-11-22.18:17:55.437>
user = 'https://github.com/bacher09'

bugs.python.org fields:

activity = <Date 2020-11-22.18:17:55.437>
actor = 'ZackerySpytz'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2017-11-18.14:20:36.509>
creator = 'bacher09'
dependencies = []
files = ['47272']
hgrepos = []
issue_num = 32068
keywords = ['patch']
message_count = 2.0
messages = ['306481', '371805']
nosy_count = 3.0
nosy_names = ['ZackerySpytz', 'bacher09', 'SBC King']
pr_nums = ['23466']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue32068'
versions = ['Python 3.7']

[bacher09]

textpad isn't handling backspace key on my system and seems on others too. When I press backspace key, terminal sends ascii.DEL (127) and it isn't handled by textpad.

I've attached patch that fixes this, should I also create PR for this or patch is enough ?

[krishnasai2020]

I would create a pull request

[erlend-aasland]

Superseded by:

• curses.textpad.Textbox backspace support #60436