@ref{Mark Ring}.
@kindex C-@@
- There is no such character as @kbd{C-@key{SPC}} in ASCII; when you
+ There is no such character as @kbd{C-@key{SPC}} in @acronym{ASCII}; when you
type @key{SPC} while holding down @key{CTRL}, what you get on most
ordinary terminals is the character @kbd{C-@@}. This key is actually
bound to @code{set-mark-command}. But unless you are unlucky enough to
@item C-u C-x C-x
@kindex C-u C-x C-x
-Activate the mark without changing it, enable Transient Mark mode just
-once until the mark is deactivated. (This is the @kbd{C-x C-x} command,
-@code{exchange-point-and-mark}, with a prefix argument.)
+Activate the mark without changing it; enable Transient Mark mode just
+once, until the mark is deactivated. (This is the @kbd{C-x C-x}
+command, @code{exchange-point-and-mark}, with a prefix argument.)
@end table
One of the secondary features of Transient Mark mode is that certain
-commands operate on the region when there is an active region. If you
-don't use Transient Mark mode, the region once set never becomes
-inactive, so there is no way these commands to make such a
+commands operate only on the region, when there is an active region.
+If you don't use Transient Mark mode, the region once set never
+becomes inactive, so there is no way for these commands to make such a
distinction. Enabling Transient Mark mode momentarily gives you a way
to use these commands on the region.
- The other way momentarily use of Transient Mark mode is useful
-is that it highlights the region for the time being.
+ Momentary use of Transient Mark mode is also a way to highlight the
+region for the time being.
@node Using Region
@section Operating on the Region