On 4/2/23 11:19, luigi scarso via ntg-context wrote:
> On Sun, 2 Apr 2023 at 11:06, Mikael Sundqvist via ntg-context
> <ntg-context@ntg.nl <mailto:ntg-context@ntg.nl>> wrote:
>
>     If you talk about the math font, I do not see what you mean. Daniel
>     has worked a lot on his fonts, and they now work well.
>
>
> indeed the body font is not concrete opentype math but it looks very
> similar at first sight

Hi Luigi,

according to type-imp-concrete.mkiv, Concrete-Math.otf seems to be only
used for the math font.

> here evince & mupdf are quite ok (evince somewhat bolder than mupdf),

Well, evince displays it wrong (this is an already known issue with fake
bold fonts in evince/poppler, reported years ago
[https://gitlab.freedesktop.org/poppler/poppler/-/issues/645]).