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When trying to convert the already-laid-out page contents of a PDF, and bring them into a raw, unformatted re-flowable Epub or Mobie format, that requires intelligence that even intelligent people who can read the contents do not have, let alone unintelligent conversion software, because no one knows the mind of the original PDF author.įor example, should page headers and footers be included in the re-flowed content, or excluded, that is, should everything on a page be inserted throughout re-flowable text, or should some things on a page be intelligently separated and added at the end. Imagine trying to convert a cooked meal back to the original uncooked ingredients and re-cooking it - yum! ( Yech! ) I'll repeat this so you get an email response to your own post here:Īdobe's PDF Portable Document Format is a Page Description Format, a Presentation Defining Format, a Page Control Language format ( HP created PCL to avoid being dependent on Adobe's PDF format ) that makes sure that a document looks the same wherever it goes, paper, small screen, large screen, portrait or landscape, whatever, wherever, like a cooked meal served at the table.Įpub and Mobie formats are raw content re-presentation systems, live, constantly changeable re-formatting systems, so to speak, where a source document is merely raw content to be reformatted on demand, presenting differently on large or small screens, different for each user's font size preferences, different for vertical or landscape presentations, like raw ingredients in the kitchen, ready to be prepared and served differently depending on each person who's gonna eat it, and where they are gonna eat it.