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10.7. Tagged PDF

Tagged PDF (PDF 1.4) is a stylized use of PDF that builds on the logical structure framework described in Section 10.6, “Logical Structure.” It defines a set of standard structure types and attributes that allow page content (text, graphics, and images) to be extracted and reused for other purposes. It is intended for use by tools that perform the following types of operations:

  • Simple extraction of text and graphics for pasting into other applications

  • Automatic reflow of text and associated graphics to fit a page of a different size than was assumed for the original layout

  • Processing text for such purposes as searching, indexing, and spell-checking

  • Conversion to other common file formats (such as HTML, XML, and RTF) with document structure and basic styling information preserved

  • Making content accessible to users with visual impairments (see Section 10.8, “Accessibility Support)


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