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**********************************
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Structured Markup Processing Tools
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Python supports a variety of modules to work with various forms of structured
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data markup. This includes modules to work with the Standard Generalized Markup
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Language (SGML) and the Hypertext Markup Language (HTML), and several interfaces
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for working with the Extensible Markup Language (XML).
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It is important to note that modules in the :mod:`xml` package require that
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there be at least one SAX-compliant XML parser available. The Expat parser is
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included with Python, so the :mod:`xml.parsers.expat` module will always be
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The documentation for the :mod:`xml.dom` and :mod:`xml.sax` packages are the
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definition of the Python bindings for the DOM and SAX interfaces.
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xml.etree.elementtree.rst