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Under linux, how do i edit the "contents" of a pdf file. I tried pdfedit but I cant find where the content table list is stored...

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Check this out. – new123456 Jul 17 '11 at 15:16
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PDF is an image format. There is no storage of the contents of the table, only a "picture" of it. It can only be edited if the PDF's OCR can read the table as text, which is unlikely. You will need to use another application to create the table and then convert it to PDF.

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Not true. Check wikipedia en.wikipedia.org/wiki/Portable_Document_Format . What I want is to change the logical structure of the document. – fakedrake Jul 17 '11 at 9:04
PDF is not an image format. It's much more akin to HTML than to something like JPEG. – new123456 Jul 17 '11 at 15:15
Sorry. That is incorrect. There is no text or document coding in PDF "documents". The text is "read" by built-in optical character recognition software, just as text is read from any other image. Though it is far more complex in structure than, say, a jpeg, what you are looking at when you open a PDF is an image of a document. They are not really "documents" at all which is why they can't be directly converted to a document format, like .doc. They contain no document format information to convert. – Abraxas Jul 23 '11 at 9:36
Yes, as the article in Wikipedia points out, PDF's are complex. But they describe the way text is rendered, too, and notice that they use the word "drawn", unlike in other documents: "A text element specifies that characters should be drawn at certain positions." – Abraxas Jul 23 '11 at 9:47
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