Proposal to get rid of Lucid and Motif support [was: Fix some tooltip related problems]

[Drew Adams]

> > The majority of users (namely those with a GTK build) can.  Lucid and
> > Motif users can't because these toolkits don't support tooltips.  I
> > doubt that anyone has the time to set up tooltip controls on Windows.
> 
> How much of an outcry would there be if I proposed removing Lucid and
> Motif support completely for Emacs 27, as a first step to getting rid
> of the unholy mix of X and GTK we're currently doing?

This should be a separate thread.