•An XML document is said to be well-formed if it follows all the rules.
•An XML parser is used to check that all the rules have been obeyed.
•Recent browsers such as Internet Explorer 5 and Netscape 7 come with XML parsers.
•Parsers are also available for free download over the Internet.
One is Xerces, from the Apache
open-source project.
•Java 1.4 also supports an open-source parser.
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