On 6/24/24 18:03, Kirill Davidov wrote:
>
> 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.

Hi Kirill,

\definefontfeature [default] [default] [script=auto] may help there.

> With New Computer Modern, it just doesn't work with any latin text no
> matter the script chosen.
I have tested
https://mirrors.ctan.org/fonts/newcomputermodern/otf/NewCM10-Book.otf
(released less than 10 days ago) and there is no c2sc for the Latin script.

I have used FontForge and tested metrics (Metrics > New Metrics Window
[Ctrl+K on my computer]).

> That is, plain small caps work, caps to small caps don't.
I’m afraid to say that the c2sc in the font seems to be a mess (to me at
least).

> What could be the reason to it? Is there anything I could do to
> mitigate it?

The following sample works for me (excluding Greek glyphs).

script=auto, if you need to set the script (automatically).

c2sc=always, if you need Greek c2sc.

lowercasing=yes, since the smcp feature works for Latin glyphs.

In a minimal sample:

  \definefontfeature [default] [default] [script=auto]
  \definefontfeature[allsc][c2sc=yes, smcp=yes,
   lowercasing=yes]
  \setupbodyfont[stix]

  \starttext
  \startbuffer
  {\language[ru]Моя любимая
  {\feature[+][allsc]ОС}---{\feature[+][allsc]Линукс}.}\crlf
  {\language[en]My favourite {\feature[+][allsc]OS} is
  {\feature[+][allsc]Linux}.}
  {\feature[+][allsc]Λινυξẞ.}
  \stopbuffer
  \getbuffer

  \setupbodyfont[newcomputermodern-book]
  \getbuffer
  \stoptext


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