rotate the visible portion of the buffer. A numerical prefix says how
many places to rotate the text. The default is 13.
+@item C-c C-e
+@kindex C-c C-e
+@findex message-elide-region
+Elide the text between point and mark (@code{message-elide-region}).
+The text is killed and an ellipsis (@samp{[...]}) will be inserted in
+its place.
+
@item C-c C-t
@kindex C-c C-t
@findex message-insert-to