Re: Ligatures (was: Unify the Platforms: Cairo+FreeType+Harfbuzz Everywhere (except TTY))

[tomas]

On Mon, May 18, 2020 at 03:01:49PM -0400, Clément Pit-Claudel wrote:
> On 18/05/2020 13.39, Eli Zaretskii wrote:
> >> From: Clément Pit-Claudel <address@hidden>
> >> Date: Mon, 18 May 2020 13:31:30 -0400
> >>
> >> I've attached a screenshot with a few examples, though I couldn't find a 
> >> font that displays ae as æ.
> > 
> > Thanks.  Once again, I wonder how they decide where each parts starts
> > and ends.  The examples show very simple cases, so it's hard to know
> > where this ends.
> 
> Hi Eli,
> 
> I asked on Firefox' Matrix server.  Here is a lightly edited transcript:

Thanks, that's interesting. So they just assume the subcharacters in a
cluster stack side-by-side. Works most of the time, but is bound to
give surprising results with things which stack the "wrong" way (i.e.
on the top or bottom for LR or RL scripts, like accents and crazy
scripts like Devanagari).

Thanks for gathering the information.

Cheers
-- t

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