[EXT] Re: error with lualatex but not with xelatex

[Zdenek Wagner]

čt 27. 7. 2023 v 10:59 odesílatel David Carlisle
<d.p.carlisle at gmail.com> napsal:
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> On Thu, 27 Jul 2023 at 09:53, Philip Taylor (RHBNC) <P.Taylor at rhul.ac.uk> wrote:
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>> On 27/07/2023 09:40, David Carlisle wrote:
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>> On Thu, 27 Jul 2023 at 08:22, Zdenek Wagner <zdenek.wagner at gmail.com> wrote:
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>>> Hi all,
>>>
>>> this is a matter of Unicode shaping and you can see it also with
>>> Devanagari fonts. All of them work with xelatex but not with lualatex
>>> and there is no error message, just the output is wrong. I have not
>>> tried with TL 2023.
>>>
>>> Zdeněk Wagner
>>> https://www.zdenek-wagner.eu/
>>>
>> If they work in xelatex they should work in lualatex if you use harfbuzz, I would guess?
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>> A naïve question, but how would one know if one uses harfbuzz ?
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> If loading fonts with fontspec, you specify this per font eg
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> \setmainfont[Renderer = HarfBuzz]{texgyretermes-regular.otf}
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Thank you, I did not know that. I will try when I have some time.

Zdeněk Wagner
https://www.zdenek-wagner.eu/