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The Tags tab allows you to view and edit tags
in the logical structure tree, or tags tree, of a PDF. In the Tags
tab, tags appear in a hierarchical order that indicates the reading
sequence of the document. The first item in this structure is the
Tags root. All other items are tags and are children of the Tags
root. Tags use coded element types that appear in angle brackets
(< >). Each element, including structural
elements such as sections and articles, appears in the logical structure
order by type, followed by a title and the element’s content or
a description of the content. Structural elements are typically
listed as container—or parent—tags and include several smaller elements—or
child tags—within them.
Note: For more information on logical structures, refer to the PDF
Reference Sixth Edition: Adobe Portable Document Format Version
1.7, on the PDF reference page (English only)
of the Adobe website.
Though you can correct most tagging issues by using the TouchUp
Reading Order tool, you must use the Tags tab to address detailed
tagging of tables and substructure items—such as paragraphs, lists,
and sections that require multiple languages. Add tags manually
to a document in the Tags tab only as a last resort. First consider
using the Add Tags To Document command.
Important: Operations performed in the Tags tab cannot
be undone with the Undo command. Save a backup copy of a document
before you begin work on it in the Tags tab.
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