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Hi Seyal,
See below:
------ Original Message ------ From "Hans Hagen"
mailto:j.hagen@xs4all.nl> To "seyal.zavira@gmail.com mailto:seyal.zavira@gmail.com" mailto:seyal.zavira@gmail.com>; "mailing list for ConTeXt users" mailto:ntg-context@ntg.nl> Date 5/9/2024 3:31:45 AM Subject [NTG-context] Re: rendering arabic diacritics ** Caution: EXTERNAL Sender ** On 5/9/2024 10:03 AM, seyal.zavira@gmail.com mailto:seyal.zavira@gmail.com wrote:
Hi all, when i want to use the linked font for arabic texts it doesn't render diacritics properly i doesn't have problem with this font in inkscape or libreoffice what featureset should i apply? font link: https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdrive.google.com%2Ffile%2Fd%2F1hCcv6wqWjd-5GEKnaowh8E8YVbTgGqQr%2Fview%3Fusp%3Dsharing&data=05%7C02%7CIdris.Hamid%40ColoState.EDU%7C8e2b7a1a4eaf46f6b10808dc700b7b2a%7Cafb58802ff7a4bb1ab21367ff2ecfc8b%7C0%7C0%7C638508441848485171%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=51bK7I53UxZOK0PcbrYlpX2s%2Bdy%2BK83SslQZ%2BvhnvwU%3D&reserved=0 https://drive.google.com/file/d/1hCcv6wqWjd-5GEKnaowh8E8YVbTgGqQr/view?usp=s... this is my MWE: \definefontfeature [arabis] [mode=node,language=dflt,script=arab, init=yes,medi=yes,fina=yes,isol=yes, liga=yes,dlig=yes,rlig=yes,clig=yes, mark=yes,mkmk=yes,kern=yes,curs=yes] \definefont [Ahang] [file:Ahang-Regular.otf*arabis at 18pt] \setupalign[r2l] \starttext {\Ahang تَشْكِيل كَسْرَة} \stoptext \definefont [Ahang] [file:Ahang-Regular.otf*arabic at 18pt] but there is an issue with widths, ill send you a patch to test
The provided "*arabic" featureset should suffice for this font. Also TEXpage is useful for this kind of MWE:
\definefont [Ahang] [file:Ahang-Regular.otf*arabic at 18pt] \setupalign[r2l] \startTEXpage[offset=1em] {\Ahang تَشْكِيل كَسْرَة} \stopTEXpage
In prehistoric ConTeXt version
2023.09.26 18:19
the diacritics look fine in both ConTeXt and unicode editor MS Notepad.
So if there is something wrong, it must be in a more recent version.
For comparison: Before applying Hans' patch, could you kindly send your pdf of the MWE that shows the error? Mine is attached. Ahang-Regular has no width settings for the marks so we need to zero
On 5/9/2024 2:17 PM, Hamid,Idris wrote: them. Tahrir_Regular has widths but these we explictly need to zero with a pseudo feature then. (What are the assumptions when we do arabic? That marks are to have zero width?) Hans ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl -----------------------------------------------------------------