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


From: Eli Zaretskii
Subject: bug#25366: 26.0.50; [:blank:] character class should match all Unicode horizontal whitespace
Date: Thu, 05 Jan 2017 17:50:21 +0200

> From: Philipp Stephani <address@hidden>
> 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.





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