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Switch to lualatex and generate accessible PDF/UA-2 output

Add \DocumentMetadata for PDF 2.0 / PDF/UA-2, load tagpdf with
activate-all, extend hypersetup with pdftitle/pdfauthor/pdflang/
pdfdisplaydoctitle, and add alt text to the letterhead and signature
images. Drop xetex-only xltxtra and switch the Makefile from xelatex
to lualatex. Verified compliant with verapdf's PDF/UA-2 profile.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
2026-04-12 16:43:47 -07:00
parent c89a06cb19
commit 2d28230c53
2 changed files with 19 additions and 5 deletions

View File

@@ -11,7 +11,7 @@ figures/signature.pdf:
gpg --yes --output $(DEC_SIGIMAGE) --decrypt $(ENC_SIGIMAGE)
%.pdf: %.tex
latexmk -f -xelatex $<
latexmk -f -lualatex $<
clean:
latexmk -C *.tex