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bug#9549: Problem not completely fixed


From: Miguel V. S. Frasson
Subject: bug#9549: Problem not completely fixed
Date: Thu, 22 Sep 2011 09:02:54 -0300

Dear Eli

Ok, it is a different problem.

Thanks.

Miguel.

On Thu, Sep 22, 2011 at 12:07 AM, Eli Zaretskii <address@hidden> wrote:
> From: "Miguel V. S. Frasson" <address@hidden>
> Date: Wed, 21 Sep 2011 18:22:50 -0300
>
> I checkout again today, recompiled, and part of the problem is solved, but
> not completely.
>
> How to reproduce the bug:
>
> 1) emacs -Q
>
> 2) in some buffer insert the following text (3 lines of text, each ending
> with words endlineN):
>
> longlines longlines longlines longlines longlines longlines longlines
> longlines longlines longlines longlines longlines endline1
> longlines longlines longlines longlines longlines longlines longlines
> longlines endline2
> longlines longlines longlines longlines >< endline3
>
> 3) M-x longlines-mode
>
> The text becomes 5 lines that looks like
> longlines longlines longlines longlines longlines longlines longlines
> longlines longlines longlines longlines longlines endline1
> longlines longlines longlines longlines longlines longlines longlines
> longlines endline2
> longlines longlines longlines longlines >< endline3
>
> 4) M-x longlines-show-hard-newlines
>
> 5) put point between in the middle of >< in last line
>
> 6) type UP 2 times and observe that point goes to beginning of 4th line,
> strangely
>
> 7) type UP again e text behaves normally.
>
> 8) now put the point in the end of last line
>
> 9) type UP and point strangely goes to beginning of line, and next UPs
> always put point ant beginning of lines.

Don't you see the same behavior in Emacs 23?  I do, and so the above
is an entirely different problem, inherent to how C-n and C-p deduce
what column to use as a temporary goal for placing point on the next
or previous line.  For an even uglier manifestation of this problem,
see the 2nd problem described in bug #9254.

You are welcome to file a new bug about these issues with C-n/C-p, but
the current bug should remain closed, because the problem with the
cursor jumping to a completely unrelated place (the end of the 1st
screen line) was resolved.



--
Miguel Vinicius Santini Frasson
address@hidden

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