15.0

Table Of Contents
112
ABBYY® FineReader 15 Users Guide
o A – accessible – additional document requirements (tags)
o B – basic – basic compliance level
ISO 19005-1:2005 (Cor 1: 2007, Cor 2: 2011).
·
2011: PDF/A-2 is based on PDF 1.7 and supports additional features:
o U - Unicode
o JPEG2000 compression
o transparency
o PDF/A attachments
o digital signatures
ISO 19005-2:2011.
·
2012: PDF/A-3 supports additional features:
o file attachments in any format
ISO 19005-3:2012.