follows:
@defun message string &rest arguments
-This function displays a one-line message in the echo area. The
+This function displays a message in the echo area. The
argument @var{string} is similar to a C language @code{printf} control
string. See @code{format} in @ref{String Conversion}, for the details
on the conversion specifications. @code{message} returns the
its normal size. If the minibuffer is active, this brings the
minibuffer contents back onto the screen immediately.
+@vindex message-truncate-lines
+Normally, if the message is longer than one line, the echo area is
+resized to display the message in its entirety. But if the variable
+@code{message-truncate-lines} is bound to @code{t}, the echo area does
+not resize, and the message is truncated, as it was done in Emacs 20
+and before.
+
@example
@group
(message "Minibuffer depth is %d."
The value of this variable is the current glyph table. It should be a
vector; the @var{g}th element defines glyph code @var{g}. If the value
is @code{nil} instead of a vector, then all glyphs are simple (see
-below).
+below). The glyph table is not used on windowed displays.
@end defvar
Here are the possible types of elements in the glyph table: