DEFUN ("terminal-live-p", Fterminal_live_p, Sterminal_live_p, 1, 1, 0,
doc: /* Return non-nil if OBJECT is a terminal which has not been deleted.
-Value is nil if OBJECT is not a live display terminal. Uses the
-terminal of the currently selected frame if OBJECT is nil.
-If object is a live display terminal, the return value indicates what
-sort of output terminal it uses. See the documentation of `framep' for
-possible return values. */)
+Return nil if OBJECT is not a live display terminal.
+OBJECT may be a terminal object, a frame, or nil (meaning the
+selected frame's terminal).
+If OBJECT is a live display terminal, return what sort of output
+terminal it uses. See the documentation of `framep' for possible
+return values. */)
(Lisp_Object object)
{
struct terminal *t = decode_terminal (object);