@kbd{M-x customize-group @key{RET} tooltip @key{RET}}.
@vindex use-system-tooltips
- If Emacs is built with the GTK+ toolkit or Haiku windowing support,
-it displays tooltips via the toolkit, using the default appearance of
-the toolkit's tooltips. To disable this, change the variable
+ If Emacs is built with the GTK+ toolkit, Nextstep windowing, or
+Haiku windowing support, it displays tooltips via the toolkit, using
+the default appearance of the toolkit's tooltips.@footnote{The
+foreground and background colors of toolkit-created tooltips on
+Nextstep can also be customized by setting the @code{foreground} and
+@code{background} frame parameters inside
+@code{tooltip-frame-parameters}} To disable this, change the variable
@code{use-system-tooltips} to @code{nil}. If you do this, or if Emacs
-is built without GTK+ or Haiku windowing support, most attributes of
+is built without the appropriate windowing support, most attributes of
the tooltip text are specified by the @code{tooltip} face, and by X
resources (@pxref{X Resources}).
** New user option 'use-system-tooltips'.
This controls whether to use the toolkit tooltips, or Emacs's own
native implementation of tooltips as small frames. This option is
-only meaningful if Emacs was built with GTK+ or Haiku support, and
-defaults to t, which makes Emacs use the toolkit tooltips. The
-existing GTK-specific option 'x-gtk-use-system-tooltips' is now an
-alias of this new option.
+only meaningful if Emacs was built with GTK+, Nextstep, or Haiku
+support, and defaults to t, which makes Emacs use the toolkit
+tooltips. The existing GTK-specific option
+'x-gtk-use-system-tooltips' is now an alias of this new option.
+
++++
+** Non-native tooltips are now supported on Nextstep.
+This means Emacs built with GNUstep or built on macOS is now able to
+display different faces and images inside tooltips when the
+'use-system-tooltips' variable is nil.
** Connection-local variables