Re: [Paps-discuss] Combining characters not rendered properly

["Arne Götje (高盛華)" <arne@xxxxxxxxxxxx>]

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Rich Felker wrote:
> On Sun, Dec 10, 2006 at 04:11:26PM +0100, Jan Willem Stumpel wrote:
>> So the advice to users has to remain: use pre-combined accents
>> whenever possible. Don't count on the "combining accents"
>> mechanism to work. It won't, except from some lucky cases.
> 
> Well there are two flip sides to this situation. On the one hand
> you're right, but on the other hand if no one tries to use the
> combining characters, applications and fonts will remain broken. :(
> Since I need to use scripts where combining is essential, I'm somewhat
> inclined to hilight the brokenness in apps (by using combining chars
> in more situations) in hopes that the authors will fix them...

In this case, *you* need to *define* which combinations you need and
*how* they should be displayed. If they exist already as pre-composed
glyphs in Unicode, then it's no problem to implement them... but if not,
it's up to you to do the definition first and then either to modify
existing fonts by yourself (e.g. by using fontforge), or ask the
upstream author of the fonts to do it for you.

So, I suggest, you make a list of which combinations you need (and how
they should look like) and ask the upstream maintainer of the font of
your choice to implement them for you. ;)

If the application of your choice then still cannot display the
combinations correctly, prod the maintainers of that application to
either use a rendering engine which can interpret the GPOS table of TTF
fonts, or hack the support in by themselves, or (the best solution)
forward the request to the upstream maintainer of the rendering engine
they use...

Cheers
Arne
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Arne Götje (高盛華) <arne@xxxxxxxxxxxx>
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