bar with the frame parameter @code{tool-bar-position}. @xref{Frame
Parameters,,, elisp, The Emacs Lisp Reference Manual}.
+ NS builds consider the tool bar to be a window decoration, and
+therefore do not display it when a window is undecorated. @xref{Frame
+Parameters,,, elisp, The Emacs Lisp Reference Manual}. On macOS the
+tool bar is hidden when the frame is put into fullscreen, but can be
+displayed by moving the mouse pointer to the top of the screen.
+
@node Dialog Boxes
@section Using Dialog Boxes
@cindex dialog boxes
full-screen or maximization states. Customizing the variable
@code{x-frame-normalize-before-maximize} can help to overcome that.
+Full-screen on macOS hides both the tool-bar and the menu-bar, however
+both will be displayed if the mouse pointer is moved to the top of the
+screen.
+
@vindex fullscreen-restore, a frame parameter
@item fullscreen-restore
This parameter specifies the desired fullscreen state of the frame