Re: Fix some tooltip related problems

[martin rudalics]

> I don't mind, but what I meant was to allow Lisp code written to
> manipulate tooltips to be able to find the 'tooltip' frame parameter
> when calling frame-parameter(s) for the tooltip frames.  This should
> preferably happen even if some code removes that parameter from
> tooltip-frame-parameters.

OK.  I'll leave it as in Emacs 26 then.

martin