Add the "htmlcharrefreplace" error handler

[serhiy-storchaka]

BPO	19667
Nosy	@malemburg, @terryjreedy, @pfmoore, @pitrou, @ezio-melotti, @stevendaprano, @berkerpeksag, @serhiy-storchaka
Files	htmlcharrefreplace.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 2013-11-20.18:19:35.998>
labels = ['type-feature', 'library']
title = 'Add the "htmlcharrefreplace" error handler'
updated_at = <Date 2015-07-21.10:43:55.588>
user = 'https://github.com/serhiy-storchaka'

bugs.python.org fields:

activity = <Date 2015-07-21.10:43:55.588>
actor = 'berker.peksag'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2013-11-20.18:19:35.998>
creator = 'serhiy.storchaka'
dependencies = []
files = ['32727']
hgrepos = []
issue_num = 19667
keywords = ['patch']
message_count = 4.0
messages = ['203517', '203542', '203581', '203651']
nosy_count = 8.0
nosy_names = ['lemburg', 'terry.reedy', 'paul.moore', 'pitrou', 'ezio.melotti', 'steven.daprano', 'berker.peksag', 'serhiy.storchaka']
pr_nums = []
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue19667'
versions = ['Python 3.6']

[serhiy-storchaka]

The proposed patch adds the htmlcharrefreplace_errors() function which implements the "htmlcharrefreplace" error handler in the html module. This error handler is almost same as the "xmlcharrefreplace" error handler, but first try to replace an unencodable character to HTML named character reference. Result is a little more human-readable than with "xmlcharrefreplace".

See also a discussion on Python-Ideas: http://comments.gmane.org/gmane.comp.python.ideas/21307 .

[ezio-melotti]

As I wrote in the thread, I don't like this too much.

[serhiy-storchaka]

What should be done to make it more like you?

Paul Moore, Marc-Andre Lemburg, Ethan Furman and Terry Jan Reedy voted for it.

Steven D'Aprano proposed same idea on comp.python.general: http://comments.gmane.org/gmane.comp.python.general/742886 . And there are a number of implementations (partially buggy) in third-party code. One of them in CPython testsuite.

It would be good to have one standard implementation.

[pitrou]

As long as it isn't built-in, I see no problems for including it personally.