Re: Math prime issues for some fonts

[Jack Hill via ntg-context <ntg-context@ntg.nl>]

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On Fri, 26 Nov 2021 at 11:28, Hans Hagen <j.hagen@xs4all.nl> wrote:
> So to summarize: with primes we have to deal with (1) frozen tex math
> expectations that won't change (although in context we're free to do
> so), which (2) have found their way in unicode, and (3) also in fonts
> due to the way traditional tex does it, and (4) with which we cannot
> deal with in the engine, so (5) we do it our own contexty way, in the
> hope that (6) in the end it all looks good and (7) also gives us some of
> the benefits that i don't even dare to bring up here in order not to
> make it sound more complex.

Thank you for the explanation. It's always interesting to hear about what
goes on under the hood.

> As a note: if you notice suboptional things in math fonts, don't
> hesitate to make a good minimal example and then ask Mikael to look into
> is because he deals with and coordinates the tuning of goodie files.

I have noticed that the top bar of square root signs don't seem to connect
properly with the angled part. This is visible with multiple fonts (some
make it more obvious than others) at various zoom levels (I'm using Okular
on Linux but other pdf viewers show the same - also on Windows). I've no
idea if this is visible in print since I don't print the pdfs. The effect
is also reproducible with the wiki version of context.

\starttext

\starttabulate[|l|c|]
\FL
\BC Font name          \BC Math sqrt                               \NR
\ML
\NC Latin Modern Roman \NC                            \m{\sqrt{x}} \NR
\NC TeX Gyre Termes    \NC \switchtobodyfont[termes]  \m{\sqrt{x}} \NR
\NC TeX Gyre Pagella   \NC \switchtobodyfont[pagella] \m{\sqrt{x}} \NR
\NC TeX Gyre Bonum     \NC \switchtobodyfont[bonum]   \m{\sqrt{x}} \NR
\NC TeX Gyre Schola    \NC \switchtobodyfont[schola]  \m{\sqrt{x}} \NR
\NC STIX Two           \NC \switchtobodyfont[stixtwo] \m{\sqrt{x}} \NR
\BL
\stoptabulate

\stoptext

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