how to go to old marks. Suggested by Jay Bingham <Jay.Bingham@compaq.com>.
move it. A second use of @kbd{C-x C-x}, if necessary, puts the mark at
the new position with point back at its original position.
+ For more facilities that allow you to go to previously set marks, see
+@ref{Mark Ring}.
+
@kindex C-@@
There is no such character as @kbd{C-@key{SPC}} in ASCII; when you
type @key{SPC} while holding down @key{CTRL}, what you get on most