Benjamin Mako Hill 0a43387d2e memo, letter: enable tagging with \DocumentMetadata{tagging=on} ...

These templates declared pdfstandard=ua-2 and loaded tagpdf with
\tagpdfsetup{activate-all}. That combination sets /Marked true and
writes the PDF/UA-2 claim into the metadata, but activate-all is
tagpdf's low-level switch and does not turn on the kernel code that
tags document structure. The result was a file announcing itself as
accessible while carrying nothing for assistive software to read: the
memo's structure tree held one /Document and two /Link nodes, and the
letter's held /Document alone.

tagging=on loads that kernel code. The memo now tags three headings, a
subsection, its paragraphs and its bibliography list; the letter tags
all ten body paragraphs. The manual tagpdf lines are no longer needed
since the kernel loads it.

This requires TeX Live 2025 or later; on TeX Live 2024 the key is
unknown and the build stops.

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

2026-08-13 18:15:48 -07:00

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