bug#25366: 26.0.50; [:blank:] character class should match all Unicode horizontal whitespace

[Philipp Stephani]

Eli Zaretskii <eliz@gnu.org> schrieb am Do., 5. Jan. 2017 um 16:50 Uhr:

> From: Philipp Stephani <p.stephani2@gmail.com>
> Date: Thu, 05 Jan 2017 14:46:01 +0100
>
> (string-match-p "[[:blank:]]" "\N{HAIR SPACE}")
> => nil, expected 0
>
> [[:blank:]] should be the same as \h in PRCE.

We are consistent with our documentation, but I agree that it would be
good to extend [:blank:], as proposed here:

  http://www.unicode.org/reports/tr18/tr18-19.html#Compatibility_Properties

Patches to that effect are welcome.

Here's a patch. 

0001-Add-support-for-Unicode-whitespace-in-blank.txt
Description: Text document