XML documents form a tree structure that starts at "the root" and branches to "the
XML documents use a self-describing and simple syntax:
The first line is the XML declaration. It defines the XML version (1.0) and the encoding used
(ISO-8859-1 = Latin-1/West European character set).
The next line describes the root element of the document (like saying: "this document
is a note"):
The next 4 lines describe 4 child elements of the root (to, from, heading, and body):
And finally the last line defines the end of the root element:
You can assume, from this example, that the XML document contains a note to Guru from saina.
Don't you agree that XML is pretty self-descriptive?
XML documents must contain a root element. This element is "the parent" of all
The elements in an XML document form a document tree. The tree starts at the root and branches to
the lowest level of the tree.
All elements can have sub elements (child elements):
The terms parent, child, and sibling are used to describe the relationships between elements.
Parent elements have children. Children on the same level are called siblings (brothers or
All elements can have text content and attributes (just like in HTML).
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