Benjamin Mako Hill b94d69f6a3 README: document what makes the tagging work, and what defeats it ...

Records that tagging=on is the key doing the work and pdfstandard=ua-2
only writes the claim, since setting the second without the first is
the failure this series fixes and is easy to reintroduce.

Adds the TeX Live 2025 requirement to Dependencies, including that
Debian trixie ships 2024 and that Overleaf projects choose their TeX
Live version in the settings menu and do not always default high
enough.

Adds sections on writing an accessible document (headings, alt text,
table header rows), on customizing the styles, and on verifying that a
PDF really carries structure. The customizing section names titlesec
and titling specifically: they are the obvious tools for the job the
two style files do, and they break tagging silently.

Notes that the poster is not accessible and makes no claim.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

2026-08-13 18:16:01 -07:00

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