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Message-ID: <669a6cfc-2501-4576-0320-d4ad5d05345b@ispras.ru>
Date: Sun, 29 Jun 2025 10:58:11 +0300 (MSK)
From: Alexander Monakov <amonakov@...ras.ru>
To: musl@...ts.openwall.com
Subject: Re: Paintcans for reverse iterating strings
On Sat, 28 Jun 2025, Rich Felker wrote:
> One thing we're going to need for LC_COLLATE in locales where
> second-level weights are applied in reverse order (diacritic marks
> later in the string weigh more than earlier ones) is the ability to
> traverse (& live transform to NFD) the input string in reverse.
Apologies if I'm forgetting some essential context, but what is the
encoding of the input string, is it not always UTF-8? Reverse iteration
of valid UTF-8 is easy (unless you need something more specific than
just reverse iteration).
Alexander
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