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From: Eli Zaretskii <eliz@gnu.org>
To: Ted Zlatanov <tzz@lifelogs.com>
Cc: emacs-devel@gnu.org
Subject: Re: docs for insert-file-contents use 'bytes'
Date: Mon, 29 Sep 2008 23:12:58 +0300	[thread overview]
Message-ID: <ur672k8xh.fsf@gnu.org> (raw)
In-Reply-To: <86ljxa67xi.fsf@lifelogs.com>

> From: Ted Zlatanov <tzz@lifelogs.com>
> Date: Mon, 29 Sep 2008 14:58:17 -0500
> 
> The docs for insert-file-contents say the range is in bytes, but that
> function does decoding of the contents.  Can it, therefore, read from an
> undesirable position (e.g. the middle of a UTF-8 sequence)?

The range _is_ in bytes (you will see in fileio.c that Emacs uses
`lseek' to get to the required file positions).  Yes, reading a part
of a multibyte sequence is a possibility.

> How does Emacs handle that?

Like with any other random bytes, I think: it will produce eight-bit-*
characters in the buffer.  IOW, you get garbled text.

> Either way the docs need to state the operation mode clearly.

Assuming I don't miss anything, and the above is indeed correct, what
would you like the doc string to say, exactly?




  reply	other threads:[~2008-09-29 20:12 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-29 19:58 docs for insert-file-contents use 'bytes' Ted Zlatanov
2008-09-29 20:12 ` Eli Zaretskii [this message]
2008-09-29 21:04   ` Ted Zlatanov
2008-09-30  6:06     ` Miles Bader
2008-09-30  7:19     ` Eli Zaretskii
2008-09-30 13:48       ` Ted Zlatanov
2008-09-30 15:58         ` Stefan Monnier
2008-09-30 16:29         ` Eli Zaretskii
2008-10-01  0:44         ` Kenichi Handa
2008-10-01 16:54           ` Ted Zlatanov
2008-10-02  1:33             ` Kenichi Handa
2008-10-02 13:42               ` Ted Zlatanov
2008-10-02 18:55                 ` Stefan Monnier
2008-10-03 13:55                   ` Ted Zlatanov
2008-10-02  1:58             ` Kenichi Handa

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