
: Re: What's the correct way for developers to edit PDF? Recently I got a task to manually add a Table of Contents to a PDF ebook generated by someone who left it out. I didn't know how to do
PDF is a fixed layout format. It is not designed for editing content. The only information that exists is the visual layout: a series of draw character 'c' with font 'Times' at coordinate x, y instructions. There is no information in PDF that tells you anything about the content like paragraph breaks or headings.
If you want to change the contents you should edit the source document and regenerate the PDF.
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