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XML and Perl by Ilya Sterin, Mark Riehl

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XML—What Is It and Why Should I Use It?

XML is a set of language rules that have been defined to describe and structure data. It was originally developed by the World Wide Web Consortium (W3C) as part of an effort that started in 1996 and produced the first XML specification (version 1.0) in 1998. Their goal at the time was to expand web functionality by providing a flexible architecture for exchanging data. The architecture supports more than the typical web client-server relationship between a browser and a web server. That is, XML isn’t just for web pages.

XML can store any type of structured information. One benefit of storing standard data (that is, not web related) is that XML can be used to facilitate data communications between two ...

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