Formatting messages using XML
It is a Ågmeta-languageÅh for creating markup languages that describe structured data
It is a subset of SGML, and allows Åggeneralized markupÅh
It is useful for storing structured and semi-structured text that will be published in a variety of media
It is extensible, which means that it describes a way of defining a set of tags and attributes
By itself, XML does not define any tags
This means that you create your own tags, effectively creating your own markup language
II. What are web services?
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