[luatex] Misplaced letter

[Ulrike Fischer]

Am Sat, 16 Dec 2017 18:04:15 +0100 schrieb Hans Hagen:

> On 12/16/2017 3:07 PM, Ulrike Fischer wrote:
>> Am Sat, 16 Dec 2017 13:50:45 +0100 schrieb Javier Bezos:
>> 
>>>   From a practical point of view, are there any differences in
>>> the two following node lists?
>> 
>>> (I think their meaning is obvious, but note your e-mail client
>>> could be reordering the final [14]):
>> 
>> 
>> Personally I think that I would probably faster learn to read and
>> write from right to left than understand how this mixed directions
>> works or are meant to work ;-).
>> 
>> Also I don't understand arabic so the best I can do is compare
>> outputs and check if they look different or not.
>> 
>> But if the output is wrong in a current context (a context
>> standalone) then I would suggest that you ask on the context list.
>> If they correct their fontloader one can try to use it with latex
>> too.
> I can add some safeguards (in context when in bidi mode we always have 
> dirs).
> 
> I'll send Ulrike something to test.

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 ;-))

I tested in texlive 2017 and with miktex.

-- 
Ulrike Fischer 
http://www.troubleshooting-tex.de/