GNU bug report logs - #9991
Incorrect return value from forward-line

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Tiphaine Turpin <tiphaine.turpin <at> inria.fr>
To: bug-gnu-emacs <at> gnu.org
Subject: Incorrect return value from forward-line
Date: Tue, 08 Nov 2011 11:15:31 +0100

The number of lines left to move which is returned by forward-line 
considers the last line as processed if it is not empty. For example, 
(forward-line 1) evaluates to 0 if point is on the last line but 
strictly before the end of the buffer.

Tiphaine Turpin

Message #8 received at 9991 <at> debbugs.gnu.org (full text, mbox):

From: Glenn Morris <rgm <at> gnu.org>
To: Tiphaine Turpin <tiphaine.turpin <at> inria.fr>
Cc: 9991 <at> debbugs.gnu.org
Subject: Re: bug#9991: Incorrect return value from forward-line
Date: Tue, 08 Nov 2011 13:24:01 -0500

Tiphaine Turpin wrote:

> The number of lines left to move which is returned by forward-line
> considers the last line as processed if it is not empty. For example,
> (forward-line 1) evaluates to 0 if point is on the last line but
> strictly before the end of the buffer.

I think you are describing the documented behaviour?

C-h f forward-line

   With positive N, a non-empty line at the end counts as one line
   successfully moved (for the return value).

(ISTR thinking it odd myself.)

Message #13 received at 9991-done <at> debbugs.gnu.org (full text, mbox):

From: Tiphaine Turpin <Tiphaine.Turpin <at> inria.fr>
To: Glenn Morris <rgm <at> gnu.org>
Subject: Re: bug#9991: Incorrect return value from forward-line
Date: Tue, 08 Nov 2011 21:31:33 +0100

Le 08/11/2011 19:24, Glenn Morris a écrit :
>
> I think you are describing the documented behaviour?
>
> C-h f forward-line
>
>    With positive N, a non-empty line at the end counts as one line
>    successfully moved (for the return value).
>
> (ISTR thinking it odd myself.)
That's true, I just discovered the sentence, so either I read the
specification too quickly or the other system on which I was working
today has an older version of Emacs without this precision.

Thanks for your help and sorry about the noise...

Tiphaine

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