[luatex] Misplaced letter

[Hans Hagen]

On 7/21/2018 11:24 AM, Javier Bezos wrote:
> Still struggling, after several months, with Arabic fonts :-(.
> This is the only thing I need to release a new babel with support
> for Arabic, but I'm stuck.
> 
> Hans:
> 
>      > I'll send Ulrike something to test.

afaik arabic works ok in context (i'd have gotten complaints from users 
otherwise) so maybe you don't enable the right features

> Ulrike:
> 
>     With the patched function (added to a fontloader from 2017-12-12)
>     the output of both examples looks ok (that means that the paragraphs
>     are identical, I have no idea if they are correct ;-))
> 
> 
> Please, could you post the fix here or send it to me?

Be aware that Ulrike takes recent version from the context distribution 
so it might not be a drop in for texlive.

> By the way, I've attempted to use the context loader with:
> 
> -------
> [run]
> fontloader = context;
> -------

with 'context' being ... actually the generic fontloader uses the fact 
that 'context' is undefined but i assume that it never was an issue in 
the wrapped code

> in luaotfload.conf and with the help pf fontloader-luaotfload,
> but it doesn't work, with the error:
> 
> -----
> luaotfload | db : Reload initiated (formats: otf,ttf,ttc); reason: "File 
> not found: lmroman10-regular.".(load luc: C:/Aplica
> ciones/TeXLive/texmf-var/luatex-cache/generic/fonts/otl/lmroman10-regular.luc) 
> 
> ! Font \TU/lmr/m/n/10=[lmroman10-regular]:+tlig; at 10pt not loadable: 
> metric d
> ata not found or bad.
> -----
> 
> A fix for this error would be also most welcome. The following
> loads the fonts, but Arabic is still buggy:
> 
> -------
> [run]
> fontloader  = fontloader-reference-2017-08-18.lua;
> -------
> 
> -- 
> Javier
> 
> 


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