New submission from Jun <jkuroda....@gmail.com>:

I was looking for a list of Unicode codepoints that str.isspace() returns true.

According to https://docs.python.org/3/library/stdtypes.html#str.isspace, it's 
"Whitespace characters are those characters defined in the Unicode character 
database as “Other” or “Separator” and those with bidirectional property being 
one of “WS”, “B”, or “S”."

However, for 
U+202F(https://www.fileformat.info/info/unicode/char/202f/index.htm) which is a 
"Separator" and its bidirectional property is "CS", str.isspace() returns True 
while it shouldn't if we follow the definition above. 

>>> "\u202f".isspace()
True

I'm not sure either the documentation should be updated or behavior should be 
updated, but at least those should be consistent.

----------
assignee: docs@python
components: Documentation, Unicode
messages: 339317
nosy: Jun, docs@python, ezio.melotti, vstinner
priority: normal
severity: normal
status: open
title: The behavior of str.isspace() for U+00A0 and U+202F is different from 
what is documented
type: behavior
versions: Python 2.7, Python 3.5, Python 3.6

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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue36502>
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