From: Eli Zaretskii <eliz@gnu.org>
To: Anders Lindgren <andlind@gmail.com>
Cc: 16129@debbugs.gnu.org
Subject: bug#16129: 24.3.50; Emacs slow with follow-mode when buffer ends before last window
Date: Fri, 13 Dec 2013 17:32:22 +0200 [thread overview]
Message-ID: <8338lw6a2h.fsf@gnu.org> (raw)
In-Reply-To: <CABr8ebbr6jN_Dv9+6oeH4z_NYW466-oV93VKTW0gVhnoy2z4eQ@mail.gmail.com>
> Date: Fri, 13 Dec 2013 15:34:07 +0100
> From: Anders Lindgren <andlind@gmail.com>
>
> I am the original author of follow-mode, so I can share one interesting
> implementation detail. When the viewed buffer ends before the last window,
> follow-mode tries to display this window without any content (by setting
> the window start to point-max). Unfortunately, the Emacs display engine
> always tries ensure that windows are not empty so it repositions it...
You cannot have window-start and point-max, sorry. Remember:
point-max is a buffer position that doesn't really exist, it's beyond
the end of buffer text. So it cannot be treated as any other buffer
position.
next prev parent reply other threads:[~2013-12-13 15:32 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-13 14:34 bug#16129: 24.3.50; Emacs slow with follow-mode when buffer ends before last window Anders Lindgren
2013-12-13 15:32 ` Eli Zaretskii [this message]
2013-12-13 15:36 ` Eli Zaretskii
2013-12-13 16:38 ` Stefan Monnier
2013-12-13 17:55 ` Anders Lindgren
2014-01-02 13:55 ` Anders Lindgren
2014-01-02 18:39 ` Anders Lindgren
2014-01-05 23:13 ` Anders Lindgren
2014-01-06 3:45 ` Eli Zaretskii
2014-01-06 8:20 ` Anders Lindgren
2014-01-06 16:33 ` Eli Zaretskii
2014-01-07 8:13 ` Anders Lindgren
2014-01-10 9:31 ` Eli Zaretskii
2014-01-10 18:52 ` Anders Lindgren
2014-01-10 19:00 ` Eli Zaretskii
2014-01-13 11:41 ` Anders Lindgren
2014-01-13 14:47 ` Stefan Monnier
2014-01-13 16:16 ` Eli Zaretskii
2014-01-14 12:34 ` Anders Lindgren
2014-01-14 16:25 ` Eli Zaretskii
2014-01-16 12:24 ` Anders Lindgren
2014-01-16 14:42 ` Stefan Monnier
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