save-some-buffers' "^R" sends user to recursive edit view mode anxiety

[Dan Jacobson]

save-some-buffers has a choice:
"^R to display the current buffer;"
This infact invokes a recursive edit, which just clutters up the
modeline with brackets confusing the user and we are presented the
buffer in view mode: huh, I was just editing that file, now it is
beeping when I type some keys, the user feels.

Why not just have a choice that will abort save-some-buffers and just
visit the buffer that save-some-buffers is asking about in the
minibuffer.  When the user is thru editing that file, he can do
save-some-buffers again.

Also, regarding the "^R to display the current buffer;" message
itself. It must have been real early emacs. Don't put a real live ^R
there, some of us cut and paste into gnus and then gnus tells us
there's illegible text and we end up having to repair it on the
outgoing spool as gnus wasn't forthcoming about where it was enough.
A "^" . "R" is better, but "C-r" is more consistent.
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