Document recent tooltip changes on NS

* doc/emacs/frames.texi (Tooltips):
* etc/NEWS: Announce that non-system tooltips are now available
on Nextstep.

1 files changed, 8 insertions, 4 deletions

diff --git a/doc/emacs/frames.texi b/doc/emacs/frames.texi
index 7c564a87763..0008112b8c8 100644
--- a/doc/emacs/frames.texi
+++ b/doc/emacs/frames.texi
@@ -1651,11 +1651,15 @@ For additional customization options for displaying tooltips, use
 @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}).