Docs can generate a table of contents for your document based on the document’s heading styles. For example, paragraphs formatted with the Heading 1 style would be main headings in the table of contents, paragraphs formatted with the Heading 2 style would be subheadings, and so on.
The table of contents is inserted, listing all the headings in the document in outline order, as well as the page number that each heading appears on.
If you make some changes to the headings in your document after the table of contents is created, it can easily be updated.
The table of contents is updated to reflect the changes in the document.
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