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Re: RFE: Please allow unicode ID chars in identifiers

From: L A Walsh
Subject: Re: RFE: Please allow unicode ID chars in identifiers
Date: Tue, 13 Jun 2017 11:30:03 -0700
User-agent: Thunderbird

Chet Ramey wrote:
On 6/1/17 8:42 PM, L A Walsh wrote:
It would be a useful upgrade besides being a "good world citizen" ;-).

The only way this makes sense is to extend the allowable set of
characters from the portable character set to the current locale.

I'm guessing that if POSIX was set, then they'd be limited
to the ASCII (American Standard Code for Information Interchange)
set.  ;^)

Not quite; it's a subset of characters from the Portable Character Set.
That's the set of characters that Posix requires to be present in all
locales supported by Posix systems.

Aren't all of those characters in ASCII?  I.e. wouldn't
ASCII be a limiting set?  It may not be the minimal set, since
many characters in ASCII aren't usable in varnames, but I
thought the allowed chars in vars were some set <= ASCII?

FWIW, though, in this case, since function names seem to
allow chars beyond ASCII, it seems consistent to, allow
a similar extension in varnames as is allowed in function

It seems like it would be a greater support burden to
allow one set for functions while restricting the allowed
characters for variables to some smaller set, no?

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