What are XSL-FO Processors?- XSL-FO processors are known as the typesetting engines. - This file is a mixture of text from your XML source document and XSL-FO tags that suggest how the text should be formatted. - This processor actually creates the typeset lines of text and lays them out on pages. - It generates a PDF or PostScript file which can be fed to a printer to produce hardcopy output. - There are many XSL-FO processors available currently, but only a few of them have completely implemented the standard.
There are at least three reasons for this:
1. The XSL-FO standard was finalized almost two years after the XSLT standard. 2. The XSL-FO standard is big and complicated. 3. Typesetting is hard.
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