[NTG-context] Re: Inconsistencies with fonts/c2sc feature

[Hans Hagen via ntg-context <ntg-context@ntg.nl>]

On 6/24/2024 6:03 PM, Kirill Davidov wrote:
> Greetings,
> 
> I have been trying to make font feature sets that allow me to write
> abbreviations in small caps and corporate entity/product/etc names with
> small caps replacing regular ones. I have run into an issue where c2sc
> works as intended on some fonts and not in others. No idea what that's
> about. MWE:
> 
> %\definefontfeature [default] [default] [script=latin]
> \definefontfeature [default] [default] [script=cyrillic]
> \definefontfeature [capstosc] [c2sc=yes]
> \definefontfeature [smallcaps] [cpsp=yes, smcp=yes, lowercasing=yes]
> 
> \setupbodyfont[stix]
> %\setupbodyfont[newcomputermodern-book]
> 
> \starttext
> 
> {\language[ru]Моя любимая
> {\feature[+][smallcaps]ОС}---{\feature[+][capstosc]Линукс}.}\crlf
> {\language[en]My favourite {\feature[+][smallcaps]OS} is
> {\feature[+][capstosc]Linux}.}
> 
> \stoptext
> 
> With STIX Two, c2sc (and smcp) works with any language as long as one
> doesn't select a script in the font features, else it only works with
> the chosen script. With New Computer Modern, it just doesn't work with
> any latin text no matter the script chosen. That is, plain small caps
> work, caps to small caps don't. What could be the reason to it? Is there
> anything I could do to mitigate it?
you can try

\definefontfeature [capstosc] [c2sc=always]

Hans


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