•Tags are case sensitive.
–<address> is not the same as
<Address>
•XML in any combination of cases is not allowed as part of a tag.
•Tags may not contain ‘<‘ or ‘&’.
•Tags follow Java naming conventions, except that a single colon and other characters are allowed. They
must begin with a letter and may not
contain white space.
•Documents must have a single root tag that begins the document.
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