On graphical displays, @kbd{C-y} first checks if another application
has placed any text in the system clipboard more recently than the
-last Emacs kill. If so, it inserts the text in the clipboard instead.
+last Emacs kill. If so, it inserts the clipboard's text instead.
Thus, Emacs effectively treats ``cut'' or ``copy'' clipboard
operations performed in other applications like Emacs kills, except
that they are not recorded in the kill ring. @xref{Cut and Paste},
@item C-x r k
Kill the text of the region-rectangle, saving its contents as the
``last killed rectangle'' (@code{kill-rectangle}).
+@item C-x r M-w
+Save the text of the region-rectangle as the ``last killed rectangle''
+(@code{copy-rectangle-as-kill}).
@item C-x r d
Delete the text of the region-rectangle (@code{delete-rectangle}).
@item C-x r y
different yank commands have to be used. Yank-popping is not defined
for rectangles.
+@kindex C-x r M-w
+@findex copy-rectangle-as-kill
+ @kbd{C-x r M-w} (@code{copy-rectangle-as-kill}) is the equivalent of
+@kbd{M-w} for rectangles: it records the rectangle as the ``last
+killed rectangle'', without deleting the text from the buffer.
+
@kindex C-x r y
@findex yank-rectangle
To yank the last killed rectangle, type @kbd{C-x r y}