Re: [NTG-context] Fallbacks in text font interfere with math accents
Am 10.06.23 um 19:46 schrieb Mikael Sundqvist via ntg-context:
Hi,
On Sat, Jun 10, 2023 at 10:06 AM Henning Hraban Ramm via ntg-context
wrote:
Hi, this is probably for Hans & Mikael, but maybe someone else has a hint:
If I set a fallback for my body font to catch all missing characters,
some math accents get replaced by small bold uppercase characters (I
found hat by K and ring by T so far).
I tried [fallbacks=] for math to no avail.
My example uses Cambria, but it’s the same with other fonts.
(BTW, in \bar{b} with Libertinus, the bar looks too high.)
I leave the font fallbacks to Hans or somebody else, but for the \bar
one can argue that the "305 glyph in Libertinus Math sits too high.
This is adjusted for in the goodie file in the next upload.
I could fix a few math accents (e.g. widebar) by limiting my
replacements to necessary glyphs, but many other problems remain (e.g.
breve, check, dot, widehat). It also affects the sizing of limiters and
e.g. underbraces.
Why do font fallbacks for non-math fonts affect math at all?
Hraban
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Re: [NTG-context] Fallbacks in text font interfere with math accents
Hi,
On Sat, Jun 10, 2023 at 10:06 AM Henning Hraban Ramm via ntg-context
wrote:
>
> Hi, this is probably for Hans & Mikael, but maybe someone else has a hint:
>
> If I set a fallback for my body font to catch all missing characters,
> some math accents get replaced by small bold uppercase characters (I
> found hat by K and ring by T so far).
>
> I tried [fallbacks=] for math to no avail.
>
> My example uses Cambria, but it’s the same with other fonts.
>
> (BTW, in \bar{b} with Libertinus, the bar looks too high.)
I leave the font fallbacks to Hans or somebody else, but for the \bar
one can argue that the "305 glyph in Libertinus Math sits too high.
This is adjusted for in the goodie file in the next upload.
/Mikael
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[NTG-context] Fallbacks in text font interfere with math accents
Hi, this is probably for Hans & Mikael, but maybe someone else has a hint:
If I set a fallback for my body font to catch all missing characters,
some math accents get replaced by small bold uppercase characters (I
found hat by K and ring by T so far).
I tried [fallbacks=] for math to no avail.
My example uses Cambria, but it’s the same with other fonts.
(BTW, in \bar{b} with Libertinus, the bar looks too high.)
Hraban
\definefontfallback[symbolaFB]
[file:symbola.otf]
[0x0-0xF]
[check=no,force=no]
\definefontfallback[arialFB]
[name:arialunicodems]
[0x0-0xF]
[check=no,force=no,rscale=0.85]
\starttypescript [contextstart]
\definetypeface [contextstart] [rm] [serif] [cambria]
[default][fallbacks=symbolaFB]
\definetypeface [contextstart] [ss] [sans] [segoe]
[default][fallbacks=arialFB]
\definetypeface [contextstart] [tt] [mono] [modern]
[default][fallbacks=arialFB]
\definetypeface [contextstart] [mm] [math] [cambria]
[default]
\stoptypescript
\setupbodyfont[contextstart,12pt]
\starttext
\im{\hat{H} \widehat{HAT} \bar{b} \widebar{bar}}
\im{\mathring{+} \mathring{±} \mathring{x}}
\stoptext
mathtest.tex
Description: TeX document
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