bug#19102: 24.4; outline-move-subtree-up/down error at last and second-last subtree

[Eli Zaretskii]

> From: Stephen Berman <stephen.berman@gmx.net>
> Cc: Eli Zaretskii <eliz@gnu.org>,  19102@debbugs.gnu.org
> Date: Thu, 20 Nov 2014 11:08:13 +0100
> 
> outline-move-subtree-up/down works if there's an empty line after
> the last subtree, but if not, it puts the last two subtree headers
> on the same line.

Does it make sense to fix outline-move-subtree-up/down so that they
also work when there's no empty line after the last subtree?  That's
one thing that looks inelegant in your patch, and might also cause
some (minor) trouble: what if the user types C-g before this function
finishes?