SliTaz Repositories

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     1.4 +QPDF is a command-line program that does structural, content-preserving transformations on PDF files.
     1.5 +It could have been called something like pdf-to-pdf.
     1.6 +It also provides many useful capabilities to developers of PDF-producing software or for people
     1.7 +who just want to look at the innards of a PDF file to learn more about how they work.
     1.8 +
     1.9 +QPDF is capable of creating linearized (also known as web-optimized) files and encrypted files.
    1.10 +It is also capable of converting PDF files with object streams (also known as compressed objects)
    1.11 +to files with no compressed objects or to generate object streams from files that don't have them
    1.12 +(or even those that already do).
    1.13 +QPDF also supports a special mode designed to allow you to edit the content of PDF files in a text editor.
    1.14 +
    1.15 +QPDF includes support for merging and splitting PDFs through the ability to copy objects from one PDF file
    1.16 +into another and to manipulate the list of pages in a PDF file.
    1.17 +The QPDF library also makes it possible for you to create PDF files from scratch. In this mode,
    1.18 +you are responsible for supplying all the contents of the file, while the QPDF library takes care off all
    1.19 +the syntactical representation of the objects, creation of cross references tables and, if you use them,
    1.20 +object streams, encryption, linearization, and other syntactic details.
    1.21 +
    1.22 +QPDF is not a PDF content creation library, a PDF viewer, or a program capable of converting PDF into
    1.23 +other formats. In particular, QPDF knows nothing about the semantics of PDF content streams.
    1.24 +If you are looking for something that can do that, you should look elsewhere.
    1.25 +However, once you have a valid PDF file, QPDF can be used to transform that file in ways perhaps your
    1.26 +original PDF creation can't handle.
    1.27 +For example, programs generate simple PDF files but can't password-protect them, web-optimize them,
    1.28 +or perform other transformations of that type. 
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