documentation string.
We use the term @dfn{prefix argument} to emphasize that you type
-such arguments before the command, and to distinguish them from
-minibuffer arguments (@pxref{Minibuffer}), which are entered after
-invoking the command.
+such arguments @emph{before} the command, and to distinguish them from
+minibuffer arguments (@pxref{Minibuffer}), which are entered
+@emph{after} invoking the command.
On graphical displays, @kbd{C-0}, @kbd{C-1}, etc.@ act the same as
@kbd{M-0}, @kbd{M-1}, etc.
(@pxref{Auto Scrolling}).
You can also give @kbd{C-l} a prefix argument. A plain prefix
-argument, @kbd{C-u C-l}, simply recenters point. A positive argument
-@var{n} puts point @var{n} lines down from the top of the window. An
-argument of zero puts point on the topmost line. A negative argument
-@var{-n} puts point @var{n} lines from the bottom of the window. When
-given an argument, @kbd{C-l} does not clear the screen or cycle
-through different screen positions.
+argument, @kbd{C-u C-l}, simply recenters the line showing point. A
+positive argument @var{n} moves line showing point @var{n} lines down
+from the top of the window. An argument of zero moves point's line to
+the top of the window. A negative argument @var{-n} moves point's
+line @var{n} lines from the bottom of the window. When given an
+argument, @kbd{C-l} does not clear the screen or cycle through
+different screen positions.
@vindex recenter-redisplay
If the variable @code{recenter-redisplay} has a non-@code{nil}
space that extends to the next tab stop column (normally every 8
columns). The number of spaces per tab is controlled by the
buffer-local variable @code{tab-width}, which must have an integer
-value between 1 and 1000, inclusive. Note that how the tab character
-in the buffer is displayed has nothing to do with the definition of
-@key{TAB} as a command.
+value between 1 and 1000, inclusive. Note that the way the tab
+character in the buffer is displayed has nothing to do with the
+definition of @key{TAB} as a command.
Other @acronym{ASCII} control characters, whose codes are below
@code{U+0020} (octal 40, decimal 32), are displayed as a caret
The default behavior of the mark and region, in which setting the
mark activates it and highlights the region, is called Transient Mark
mode. This is a minor mode that is enabled by default. It can be
-toggled with @kbd{M-x transient-mark-mode}, or with the @samp{Active
-Region Highlighting} menu item in the @samp{Options} menu. Turning it
-off switches Emacs to an alternative mode of operation:
+toggled with @kbd{M-x transient-mark-mode}, or with the
+@samp{Highlight Active Region} menu item in the @samp{Options} menu.
+Turning it off switches Emacs to an alternative mode of operation:
@itemize @bullet
@item
@findex insert-register
@kbd{C-x r i @var{r}} inserts in the buffer the text from register
@var{r}. Normally it leaves point after the text and sets the mark
-before, without activating it. With a numeric argument, it instead
+before, without activating it. With a prefix argument, it instead
puts point before the text and the mark after.
@node Rectangle Registers
@kindex C-x r r
@item C-x r r @var{r}
Copy the region-rectangle into register @var{r}
-(@code{copy-rectangle-to-register}). With numeric argument, delete it as
+(@code{copy-rectangle-to-register}). With prefix argument, delete it as
well.
@item C-x r i @var{r}
Insert the rectangle stored in register @var{r} (if it contains a
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