PDFAstandardin
PDFAstandardin is a term commonly used to refer to the PDF/A family of ISO standards for the long-term preservation of electronic documents. The official standards are ISO 19005, with editions commonly known as PDF/A-1, PDF/A-2, PDF/A-3, and PDF/A-4. The aim of PDF/A is to ensure that documents remain viewable and usable for many years, independent of specific software, hardware, or operating environments.
Core requirements for PDF/A include that documents are self-contained and do not rely on external resources.
Version notes: PDF/A-1 established baseline conformance with levels A (tagged for accessibility) and B (visual fidelity).
Usage and validation: PDF/A is widely adopted by archives, libraries, government agencies, and regulated industries seeking
Notes: The term PDFAstandardin is not an official ISO designation; the canonical term is PDF/A. It may