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RE: Difference between current(), node() and self ??

Subject: RE: Difference between current(), node() and self ??
From: "Michael Kay" <mike@xxxxxxxxxxxx>
Date: Wed, 20 Sep 2006 15:05:36 +0100
select current node
> Until now, I thought that
> <xsl:value-of select="self"/>, <xsl:value-of 
> select="node()"/> and <xsl:value-of select="current()"/> 
> would print out the same values, but found out that this is not true.

They are completely different.

select="current()" (or select=".", or select="self::node()") selects the
context node.

select="node()" selects the children of the context node.

select="self" selects a child element called self.

> It seems that current() prints out all the values including 
> its child...

current() doesn't "print out" anything. It selects a node. If anything is
printed, that's done by whoever it is that selects the node. For example,
<xsl:value-of select="current()"/> creates a text node whose content is the
string value of the current node (if it's an element, this will be the
concatenation of all its descendant text nodes); and if you choose to print
out this text node on paper, that's what you will see.

Michael Kay

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