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-rw-r--r--doc/lispref/frames.texi4
1 files changed, 2 insertions, 2 deletions
diff --git a/doc/lispref/frames.texi b/doc/lispref/frames.texi
index b98e3a5cdd..15a9bd911f 100644
--- a/doc/lispref/frames.texi
+++ b/doc/lispref/frames.texi
@@ -847,7 +847,7 @@ With some window managers you may have to set this to non-@code{nil} in
order to make a frame appear truly maximized or full-screen.
@end defopt
-@defun set-frame-size frame width height pixelwise
+@defun set-frame-size frame width height &optional pixelwise
This function sets the size of the text area of @var{frame}, measured in
terms of the canonical height and width of a character on @var{frame}
(@pxref{Frame Font}).
@@ -2236,7 +2236,7 @@ parameters. @xref{Management Parameters}.
terminal frames. On each text terminal, only the top frame is
displayed at any one time.
-@defun tty-top-frame terminal
+@defun tty-top-frame &optional terminal
This function returns the top frame on @var{terminal}. @var{terminal}
should be a terminal object, a frame (meaning that frame's terminal),
or @code{nil} (meaning the selected frame's terminal). If it does not