[lltx] Re: microtypography

[Khaled Hosny]

On Fri, Feb 12, 2010 at 11:38:50PM +0200, Elie Roux wrote:
> Will Robertson a écrit :
> >AFAIK the current version of microtype already supports microtype?
> >Or is it only for non-OpenType fonts?
> 
> It is... and only for a set of them.
> 
> >If microtype is already working for LuaTeX I'd prefer to keep
> >separate packages, but if it makes things convenient then provide
> >an interface to microtype through fontspec itself.
> 
> Microtype is working for LuaTeX the same way it does with pdfTeX (a
> bit worse actually...), so all that happens in luaotfload is totally
> new and never worked before in microtype. As it's quite independant,
> I thought it would be good to separate it a bit from microtype...
> 
> But anyway, one of the goals of microtype is to store values of
> protrusion and expansion for different fonts, meaning that they are
> really fine tuned for these fonts, and I'm not sure this kind of
> things would belong to luaotfload or fontspec... I think luaotfload
> should provide an interface to pass these values to the algorithm,
> and that another package should provide them; but it could provide
> default values that could be activated automatically. Wdyt?

I myself would like to enable it by default, especially as I mainly set
Arabic text which doesn't have, yet, a powerful justification algorithm
in LuaTeX and benefits greatly from optical justification and expansion.

Regards,
 Khaled

-- 
 Khaled Hosny
 Arabic localiser and member of Arabeyes.org team
 Free font developer