Re: [NTG-context] Monospace fallback kerning

On 19 Dec 2018, at 11:31, Hans Hagen wrote:

On 12/19/2018 10:46 AM, Hans Åberg wrote:

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On 11 Dec 2018, at 15:05, Hans Åberg wrote:

In the example below, multiple spaces do not use the spacing of the fallback font for multiple spaces, but instead of the main font it seems, despite the ASCII U+0020 being in the forced override. So the question is how to force ConTeXt to use the fallback font also for multiple spaces. A workaround is simply making the monospace font the main font: \definefallbackfamily [mainface][mono][stix][range={0100-10FFFF},force=yes] \definefontfamily [mainface][mono][courier] You can force a monospaced by inheriting from a paremnt font, as in:

\definefontfallback [Mono] [almfixed*none] [arabic] [force=yes]

\definefontfallback [Mono] [sileot*none] [hebrew] [force=yes,factor=1] % factor forces a monospace

\setupbodyfont [dejavu,10pt]

I thought such a feature would be suitable, but I am not sure now to get the math glyph override with the \definefontfallback command (see example below). With \definefallbackfamily there is an extra argument for the style: \definefallbackfamily [mainface][mono][stixtwotext][range={00B2-00B3,00B9,02070-0208F},force=yes] Otherwise, the use of monospace has several functions: Signaling it is computer code, allowing indentation, and allowing a tabular style. Maybe it should not all be put on the font (editing it by hand with markup may be tedious and error prone). An incidental remark: TeX puts simultaneous sub- and superscripts above each other, and the Unicode sub- and superscripts are translated as such in the example below math mode. But actually, there may be a semantic difference between the order (though not in the case below), and that is used in tensor notation. In TeX, the original suggestion is to use {} in such a case. — \definefontfallback [Mono] [stixtwotext] [range={0100-10FFFF},factor=1] [force=yes] \setupbodyfont [dejavu,10pt] \showglyphs \starttyping 𝑷₂₀(0), ∀²𝑥⁰⁺²₂₀: 𝑷₂₀(𝑥⁰⁺²₂₀) ⇒ 𝑷₂₀(s(𝑥⁰⁺²₂₀)) ⊢ ∀¹𝑦⁰⁺¹₂₀ 𝑷₂₀(𝑦⁰⁺¹₂₀) \stoptyping \startformula 𝑷₂₀(0), ∀²𝑥⁰⁺²₂₀: 𝑷₂₀(𝑥⁰⁺²₂₀) ⇒ 𝑷₂₀(s(𝑥⁰⁺²₂₀)) ⊢ ∀¹𝑦⁰⁺¹₂₀ 𝑷₂₀(𝑦⁰⁺¹₂₀) \stopformula \stoptext —