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RE: Differance between a TextNode and An AtomicValue
Title: Message
Hello I a´m doing my master's thesis on Upadting XML.
I have confusion between a TextNode and an AtomicValue as it is specified
in http://www.w3.org/TR/xpath-datamodel/
It's
a bit like the difference between an Integer and an int in Java, though the
analogy isn't perfect.
A
text node has identity, and it has a parent; atomic values such as strings do
not.
If a
function takes a text node as a parameter, the function can do things like
"count how many text nodes in the same tree as this one have the same value as
this text node." If it takes a string as a parameter, you can't do that,
because a string doesn't belong to a tree; and anyway, it's not meaningful to
discuss whether "A" and "A" are the same string, because strings don't have
identity.
Michael Kay
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