[issue2636] Regexp 2.7 (modifications to current re 2.2.2)

[Russ Cox]

Russ Cox <rsc at swtch.com> added the comment:

> Named Unicode characters eg \N{LATIN CAPITAL LETTER A}

These descriptions are not as stable as, say, Unicode code
point values or language names.  Are you sure it is a good idea
to depend on them not being adjusted in the future?
It's certainly nice and self-documenting, but it doesn't seem
better from a future-proofing point of view than \u0041.

Do other languages implement this?

Russ

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