go.mod: bump go-tex/math to v0.23.0 (@ is a letter in a control word) - #170
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go-tex/math v0.23.0 reads \the@inst and \@ifundefined as ONE control sequence each, as TeX does with @ made a letter (\makeatletter). Split, the maths layer reported an unknown \the — a name no macro table here has — where the whole name is one this engine can look up and expand. Measured over 200 arXiv papers and 200 beamer talks: 2 documents change for +47 glyphs, no page moves, the page error against the 157 tectonic renders stays at 670, beamer does not move. The census counted 68 formulas over 6 papers under \the; the four that still drop do so for a second reason — the name resolves to nothing here — which is now visible rather than hidden behind a truncated name.
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go-tex/math v0.23.0 (go-tex/math#8) reads
\the@instand\@ifundefinedas one control sequence each, as TeX does with@made a letter (\makeatletter). Split, the maths layer reported an unknown\the— a name no macro table here has — where the whole name is one this engine can look up and expand.Measured — 200 arXiv papers, 200 beamer talks
2 documents change for +47 glyphs, no page moves, the page error against the 157 tectonic renders stays at 670, beamer does not move.
The census counted 68 formulas over 6 papers under
\the. The four that still drop do so for a second reason — the whole name resolves to nothing here either — which is now visible rather than hidden behind a truncated one.