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From: lampahome <pahome.chen@mirlab.org>
To: Aleksa Sarai <cyphar@cyphar.com>
Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: why do we need utf8 normalization when compare name?
Date: Tue, 3 Mar 2020 09:48:50 +0800	[thread overview]
Message-ID: <CAB3eZfuAXaT4YTBSZ4sGe=NP8=71OT8wu7zXMzOjkd4NzjtXag@mail.gmail.com> (raw)
In-Reply-To: <20200302104741.b5lypijqlbpq5lgz@yavin>

> Sorry, a better example would've been "ñ" (U+00F1). You can also
> represent it as "n" (U+006E) followed by "◌̃" (U+0303 -- "combining
> tilde"). Both forms are defined by Unicode to be canonically equivalent
> so it would be incorrect to treat the two Unicode strings differently
> (that isn't quite the case for "Å").

So utf8-normalize will convert  "ñ" (U+00F1) and "n" (U+006E) followed
by "◌̃" to a utf8 code, and both are the same, right?
Then compare it byte by byte.

  reply	other threads:[~2020-03-03  1:49 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-02  9:00 why do we need utf8 normalization when compare name? lampahome
2020-03-02 10:37 ` Aleksa Sarai
2020-03-02 10:47   ` Aleksa Sarai
2020-03-03  1:48     ` lampahome [this message]
     [not found]       ` <20200303070928.aawxoyeq77wnc3ts@yavin>
2020-03-03 10:13         ` lampahome
2020-03-03 17:22           ` Theodore Y. Ts'o
2020-03-02 12:54 ` Matthew Wilcox
2020-03-02 15:28   ` Al Viro
2020-03-02 17:14     ` Matthew Wilcox
2020-03-02 18:12     ` Theodore Y. Ts'o

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