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What is XML?
XML, considered the next generation of HTML is a markup language for documents containing structured information. XML allows one to design their own custom markup language and then use that language to format their documents. This is a very powerful aspect of XML, because it allows us to create tags that actually describe the data that they contain. The XML data can
be parsed out and manipulated with a software program to perform a number of functions. For example, adding it to data from another source and outputting
the result in another form for some other purpose. The strictness of XML is one of its greatest strengths. Close attention must be paid to the case
of letters, closing tags, quotation marks, etc ... These potential oversights may be ignored by HTML, but they will not be accepted in XML. For these reasons and more, XML is now considered the standard way information will be exchanged in environments that do not share common platforms.
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