nonASCII punctuation characters can not display in python363.chm.

[zaazbb]

BPO	32174
Nosy	@pfmoore, @tjguk, @mcepl, @bitdancer, @zware, @zooba, @zaazbb, @animalize, @JulienPalard, @wwqgtxx, @miss-islington
PRs	bpo-32174: Let .chm document display non-ASCII characters properly #9758 [3.7] bpo-32174: Let .chm document display non-ASCII characters properly (GH-9758) #9762 [3.6] bpo-32174: Let .chm document display non-ASCII characters properly (GH-9758) #9763
Files	1512013191(1).jpg screenshot.PNG QQ截图20180403085952.png QQ截图20180403090715.png py37chm.png: CHM on Windows 10 Japanese PR 9758 effects.png python3-doc-3-7-rc2-log.txt: build logs of python3-doc package on OpenSUSE/Tumbleweed not perfect yet.png: navigation bar still has corrputed character

^{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 = <Date 2018-10-08.23:18:03.609>
created_at = <Date 2017-11-30.03:45:30.123>
labels = ['type-bug', '3.7', 'OS-windows', 'docs']
title = 'nonASCII punctuation characters can not display in python363.chm.'
updated_at = <Date 2018-10-19.15:04:02.999>
user = 'https://github.com/zaazbb'

bugs.python.org fields:

activity = <Date 2018-10-19.15:04:02.999>
actor = 'mcepl'
assignee = 'docs@python'
closed = True
closed_date = <Date 2018-10-08.23:18:03.609>
closer = 'steve.dower'
components = ['Documentation', 'Windows']
creation = <Date 2017-11-30.03:45:30.123>
creator = 'zaazbb'
dependencies = []
files = ['47304', '47476', '47514', '47515', '47844', '47858', '47881', '47883']
hgrepos = []
issue_num = 32174
keywords = ['patch']
message_count = 21.0
messages = ['307277', '307438', '307460', '309671', '313596', '313637', '313763', '314845', '314846', '326931', '327247', '327335', '327344', '327371', '327372', '327373', '327374', '328007', '328009', '328018', '328046']
nosy_count = 13.0
nosy_names = ['paul.moore', 'tim.golden', 'mcepl', 'r.david.murray', 'docs@python', 'zach.ware', 'steve.dower', 'zaazbb', 'malin', 'mdk', 'wwqgtxx', 'miss-islington', 'Sangbae Nam']
pr_nums = ['9758', '9762', '9763']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue32174'
versions = ['Python 3.6', 'Python 3.7']

[zaazbb]

In chm(python363.chm) documents, some unicode chars (non ascii chars) can not display.
for example:

asyncio — Asynchronous I/O, event loop, coroutines and tasks

displayed as

asyncio � Asynchronous I/O, event loop, coroutines and tasks

and

Asynchronous programming is more complex than classical “sequential” programming

display as

Asynchronous programming is more complex than classical 搒equential� programming

windows 10, simplified chinese language.
python3.6.3, python363.chm.

[zooba]

I'm not sure there will be any good fix for this. We might be able to coerce proper utf-8 output from Sphinx, and if it also adds the encoding tags required by whatever ancient version of Internet Explorer is used then it should be fine

It's likely just best to avoid special punctuation in doc source files though.

[bitdancer]

The doc source files do not contain smart quotes, and as far as I know, sphinx does produce correct utf-8.

Recently there was a bug where incorrect smart quotes were leaking out of the internationalization of the docs, so this might be a problem that is already fixed. On the other hand, there might be something broken about the chm production process. I have no idea who would be the right person to investigate that, since I think Steve just spins the wheel on existing tools to get them generated :)

On the gripping hand, could there be something broken about your local charset configuration? Does anyone else see this problem?

[wwqgtxx]

I found the problem was not fixed on python364.chm but it show well on python362.chm, maybe the python.org official config was a change to let the coding error.

[animalize]

Here is a solution:
1, open a page(whatever) with Internet Explorer.
2, right click the page -> Encoding -> check "Auto-Select"
Then the wrong characters (�/抯) will disappear forever.

Does anyone else see this problem?
Probably a lot of people have this problem.
I installed a clean Windows 10 recently, I believe it's the default visual effect of Python .chm document.
BTW my local is Simplified Chinese.

[animalize]

The source code of .chm changed between 3.6.2 and 3.6.3, the former uses escaped html entities.
I couldn't find out which commit caused this change.

3.6.2 chm: <h1>What&bpo-8217;s New In Python 3.6</h1>
3.6.3 chm: <h1>What抯 New In Python 3.6</h1>

3.6.2 chm: <h2>Summary &bpo-8211; Release highlights</h2>
3.6.3 chm: <h2>Summary ?Release highlights</h2>

Release date:
3.6.2 final: 2017-07-17
3.6.3 final: 2017-10-03

[zooba]

We should probably prefer to force ASCII with explicit escapes (ideally named escapes, rather than codepoints). I'm not sure how to make Sphinx/docutils do that, but presumably it could be our own extension that handles the problematic characters people add to our docs.

[wwqgtxx]

In python365.chm, it loss the style in any page but can show in IE.

[wwqgtxx]

And in python365.chm, also had some non ascii chars can not display.

[SangbaeNam]

This issue still persists in 3.6 and 3.7.