eXtra Modern Link
eXample Markup Language
X-Markup Language
eXtensible Markup Language
Dynamic Type Definition
Do The Dance
Document Type Definition
Direct Type Definition
All XML elements must be properly closed.
All the statements are true.
All XML documents must have a DTD.
All XML elements must be lowercase.
An XML document
An XML element
An XML attribute
An XML event
The node object
The nodeList object
The document object
None of these