A11y | Expose MathML beside KaTeX - #69
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Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: Cursor <cursoragent@cursor.com>
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Summary
Closes #56. The KaTeX wrapper now asks auto-render for HTML plus MathML, then keeps the painted layer aria-hidden so AT can read the MathML sibling.
The docs commit records A14 as closed (PR #68) on the issue map. That number is not on the A19 row.
Changes
katex-render.jsforcesoutput: 'htmlAndMathml'and walks each.katexroot:.katex-htmlstaysaria-hidden="true",.katex-mathmlis not hidden, and the outer.katexis notaria-hidden. No new visible copy.A19 characterization locks that path.
Test plan
npm test— A19 characterization/playfib-latex.md: 19<math>nodes, none underaria-hidden; all 19.katex-htmlarearia-hidden/playmatching-latex.md: 11<math>nodes, same contract; formulas still look like KaTeXPORT=3010 A11Y_BASE_URL=http://127.0.0.1:3010 SIM_PORT=8081 SIM_ORIGIN=http://127.0.0.1:8081 npm run a11y:ci— baseline stayscolor-contrast1needs-manual-verify)