bug#4623: 23.1.50; rmail changes encoding of characters on save

[Eli Zaretskii]

> From: Stefan Monnier <monnier@IRO.UMontreal.CA>
> Cc: 4623@emacsbugs.donarmstrong.com
> Date: Mon, 07 Dec 2009 16:44:24 -0500
> 
> > Yes, I thought about that at first.  But this solution complicates
> > things because of the swapping.
> 
> As I said: we should first fix the swapping madness.

Not sure how you propose to do that.  All users of rmail-swap-buffers
do that because they need to do something with the entire message
collection.