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Load unicode-math so formulas carry Unicode mappings

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The Computer Modern math fonts have no ToUnicode entries, which failed
ISO 14289-2 clause 8.4.5.8 on six checks and left every formula opaque
to assistive software. Switching to an OpenType math font changes the
rendering of math only slightly.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
This commit is contained in:
Benjamin Mako Hill
2026-08-13 16:41:55 -07:00
parent ab9f5cfac4
commit 62237fea88
1 changed files with 4 additions and 0 deletions
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slides_template/example.tex
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@@ -8,6 +8,10 @@
\usetheme{metropolis} \usetheme{metropolis}
\usepackage{appendixnumberbeamer} \usepackage{appendixnumberbeamer}
% math needs an OpenType math font so that every glyph carries a Unicode
% mapping; the Computer Modern math fonts have no ToUnicode entries
\usepackage{unicode-math}
\usepackage{tagpdf} \usepackage{tagpdf}
\tagpdfsetup{activate-all} \tagpdfsetup{activate-all}