From: "Lennart Borgman (gmail)" <lennart.borgman@gmail.com>
To: rms@gnu.org
Cc: emacs-devel@gnu.org
Subject: Re: get-text-property error if narrowed
Date: Sat, 29 Dec 2007 16:14:42 +0100 [thread overview]
Message-ID: <47766462.6000707@gmail.com> (raw)
In-Reply-To: <E1J8c6H-0003Dh-Bp@fencepost.gnu.org>
Richard Stallman wrote:
> get-text-property signals an error if the position argument is outside a
> narrowed region. That is very inconvenient. It would be much better if
> it behaved like get-char-property which does not do this.
>
> I just tried (get-char-property 1 'face) in my Rmail buffer and got an
> error, so I think the two functions are alike in this regard.
> I think that an error is the correct result in that case.
> (buffer-substring also gives an error when the positions are out of range.)
> Why do you think otherwise?
>
> Is there a case in which get-char-property fails to give this error?
I think it happens when there is a property on an overlay.
get-char-property finds that and returns it. If there is no overlay with
the tested property then I get an error. (Note that I am using a CVS
version from 2007-06-04.)
next prev parent reply other threads:[~2007-12-29 15:14 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-28 20:24 get-text-property error if narrowed Lennart Borgman (gmail)
2007-12-29 13:51 ` Richard Stallman
2007-12-29 15:14 ` Lennart Borgman (gmail) [this message]
2007-12-30 1:37 ` Richard Stallman
2007-12-30 1:47 ` Lennart Borgman (gmail)
2007-12-30 14:02 ` Richard Stallman
2007-12-29 17:47 ` Richard Stallman
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