bug#17404: Scrolling is painfully slow

[Richard Stallman <rms@gnu.org>]

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    I did.  I used "C-u M-x rmail RET foo2.mail RET" in "emacs -Q".  Does
    that reproduce the problem on your system?

Yes.

    What about "emacs -nw" -- do you see the same slowdown there?  Or is
    the problem limited to the GUI sessions?

I am always using it in a terminal.  It didn't occur
to me that that made a difference to the scrolling.

    > Scrolling the file in Rmail mode is much faster in that version
    > than in the current version.  So is C-n.

    How much more faster?  Can you estimate the slowdown quantitatively?

I tried it again now in several versions, and it is much faster now
than it was before.  I don't understand why the problem happened and
then disappeared, but it has.  For now, please forget it.

-- 
Dr Richard Stallman
President, Free Software Foundation
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