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bug#16411: undo-only bugs

From: Stefan Monnier
Subject: bug#16411: undo-only bugs
Date: Mon, 13 Jan 2014 20:52:04 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux)

>> Actually, this makes me realize the solution to bug 1 is inadequate.
>> Calling (undo-primitive 1) N times creates N redo records whereas
>> (undo-primitive N) creates one.
> No, primitive-undo does not add any undo boundary.

Actually, now I'm not sure what you meant by "redo records".
(primitive-undo N) will undo all the M "records" that appear before the
next Nth undo boundary, and will correspondingly add M redo "records",
but no boundary.


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