[NTG-context] Iwona error

[Bruce Horrocks]

> On 6 Feb 2023, at 22:16, Hans Hagen via ntg-context <ntg-context at ntg.nl> wrote:
> 
> On 2/6/2023 9:57 PM, Bruce Horrocks via ntg-context wrote:
>> Just installed today's update (ConTeXt  ver: 2023.02.06 17:58 LMTX) and tried out the 3 fonts mentioned.
>> \setupbodyfont[iwona]
>> % \setupbodyfont[kurier]
>> % \setupbodyfont[antykwa]
>> \starttext
>> Some text
>> \stoptext
>> I did a ./install.sh update with no obvious errors and afterwards Kurier and Antykwa worked for me on the above MWE but Iwona failed with the log entry:
>> [snip]
>> luatex warning  > font: lua-loaded font '21' with name 'ex-iwonar' has no characters
>> fonts           > virtual math > the mapping is incomplete for 'iwonamath' at 7pt
>> tex error       > tex error on line 1 in file ./tt.tex:
>> lua error:
>> registered function call [1154]: ...-64/tex/texmf-context/tex/context/base/mkxl/math-vfu.lmt:677: attempt to index a nil value (local 'fci')
>> stack traceback:
>> ...-64/tex/texmf-context/tex/context/base/mkxl/math-vfu.lmt:677: in upvalue 'virtualize'
>> ...-64/tex/texmf-context/tex/context/base/mkxl/math-vfu.lmt:1014: in function <...-64/tex/texmf-context/tex/context/base/mkxl/math-vfu.lmt:725>
>> (...tail calls...)
>> ...-64/tex/texmf-context/tex/context/base/mkxl/font-def.lmt:485: in field 'read'
>> ...-64/tex/texmf-context/tex/context/base/mkxl/font-ctx.lmt:1377: in function <...-64/tex/texmf-context/tex/context/base/mkxl/font-ctx.lmt:1234>
>> (...tail calls...) 
>> [snip]
>> Not sure if that's to do with my setup or true for everyone. I've never used those fonts before if that makes a difference.
> can you try with
> 
> https://github.com/contextgarden/context-distribution-fonts/blob/main/fonts/data/gust/iwona-math/ex-iwona.enc
> 
> wipe the font cache first

Yes, that worked. Thanks.

—
Bruce Horrocks
Hampshire, UK