bug#24582: 25.1; liga incorrect work (dublicate)

[Alan Third]

On Tue, Aug 11, 2020 at 03:55:13PM +0200, Lars Ingebrigtsen wrote:
> YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp> writes:
> 
> >> Please see the attached screenshot.
> >>> So the problem is text alignment due to display of characters such
> >>> as ⇒, is that right?
> >> Yes
> >
> > I could reproduce it with Hasklig 11pt.  Does the following patch work
> > for you?
> 
> This was more than three years ago, but there was no followup.  The
> patch still applies to Emacs 28, and it compiles and runs on Macos
> without any immediately adverse effects.
> 
> Alan, does this patch look reasonable to you?

I really have very little grasp on macfont.m, but it's Yamamoto
Mitsuharu's code, so I would tend to go along with him.
-- 
Alan Third