str.title() is overzealous by upcasing combining marks inappropriately

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#56,946 创建于 2011年8月11日 21 条评论 1 个 reaction 已指派 0 人在 GitHub 查看

还没有人认领这个 Issue。

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难度: 4/5
预计耗时: 3-5 天
新手友好度: 35/100

Issue 类型: 缺陷
描述清晰度: 需要澄清
活跃度: 停滞
技术栈: python
领域: backend

调研方向

Start by reading the linked titletest.python and titletest.py demonstrations and reproduce their str.title() results. Then inspect the relevant string-titlecasing implementation and determine the intended treatment of combining marks. The issue is done when the demonstrated inappropriate upcasing is corrected and the behavior has regression coverage.

由索引模型根据 Issue 内容生成。

描述

3.10 3.9 (EOL) stdlib type-bug

BPO	12737
Nosy	@gvanrossum, @loewis, @terryjreedy, @ezio-melotti, @florentx, @iritkatriel
Files	titletest.python: demo showing python uses incorrect sense of \w for words in titlecasing titletest.py: slightly improved demo

^{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 2011-08-11.22:37:33.658>
labels = ['type-bug', 'library', '3.9', '3.10']
title = 'str.title() is overzealous by upcasing combining marks\tinappropriately'
updated_at = <Date 2021-07-24.18:29:50.490>
user = 'https://bugs.python.org/tchrist'

bugs.python.org fields:

activity = <Date 2021-07-24.18:29:50.490>
actor = 'terry.reedy'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2011-08-11.22:37:33.658>
creator = 'tchrist'
dependencies = []
files = ['22884', '23271']
hgrepos = []
issue_num = 12737
keywords = []
message_count = 20.0
messages = ['141929', '141998', '142106', '142110', '143038', '143046', '144207', '144233', '144661', '144683', '144688', '144690', '144722', '144723', '144735', '379614', '379629', '379656', '398165', '398173']
nosy_count = 9.0
nosy_names = ['gvanrossum', 'loewis', 'terry.reedy', 'ezio.melotti', 'Arfrever', 'flox', 'tchrist', 'iritkatriel', 'vishvas.vasuki']
pr_nums = []
priority = 'normal'
resolution = None
stage = 'needs patch'
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue12737'
versions = ['Python 3.9', 'Python 3.10']

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