go.mod: bump go-tex/math to v0.22.0 (\genfrac, triangle binary operators) - #164
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…ors) go-tex/math v0.22.0 adds \genfrac and the two \mathbin triangles, which the corpus reported as dropped formulas: \triangleright 98 and \genfrac 88. Measured over 200 arXiv papers and 200 beamer talks: 3 documents change for +666 glyphs, 2 repaginate (one closer to tectonic, one further), the page error against the 157 tectonic renders is unchanged at 669, and beamer does not move. On the two papers that use \genfrac the tally goes 24 drops → none and 20 → none; what is left on the first is a different fault in the same formulas.
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go-tex/math v0.22.0 (go-tex/math#7) adds
\genfracand the two\mathbintriangles — both read from their sources first: unicode-math-table.tex:694/704 and fontmath.ltx:264-265 for the triangles, amsmath.sty:245-250 for\genfrac's six arguments.The engine's own corpus is what asked for them:
\triangleright98 dropped formulas,\genfrac88.Measured — 200 arXiv papers, 200 beamer talks
3 documents change for +666 glyphs, 2 repaginate (one closer to tectonic, one further), the page error against the 157 tectonic renders is unchanged at 669, and beamer does not move by one glyph.
On the two papers that use
\genfracthe drop tally goes 24 → none and 20 → none:What is left on the other paper is a different fault in the same formulas (12
$math$and 12\qbinom, the document's own macro), not this one.