ISO 14289-1 (PDF/UA) (Sample Report) - Microsoft

Character codes shall map to Unicode as described in ISO 32000-1:2008, 14.8.2.4.2. Characters not included in the Unicode specification may use the Unicode private use area or declare another character encoding. ... Word supports alt text on figures, though it is up to the user to add the alt text. ... key in ISO 32000-1:2008, 14.7.2, Table 323 ... ................
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