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tramaj-hpdf folds an evaluated tramaj tree into a PDF, the way the React and Halogen folds turn the same tree into a web page. It sets text in embedded Noto Sans, so every EU language, Greek and Cyrillic print and copy out, and it writes Factur-X invoices as PDF/A-3b. Getting there took four changes to HPDF, which live in a fork for now.