General section
• PDF/A-1a: PDF/A is an ISO standard for long-term preservation of documents,
by embedding all the information necessary for faithful reproduction (such as
fonts) while forbidding other elements (including forms, security, and
encryption). PDF tags are written. If you select PDF/A-1a, the forbidden
elements are greyed-out (not available).
• Tagged PDF: Tagged PDF contains information about the structure of the
document’s contents. This can help to display the document on devices with
different screens, and when using screen reader software. Some tags that are
exported are table of contents, hyperlinks, and controls. This option can
increase file sizes significantly.
152 OpenOffice.org 3.3 Calc Guide
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