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Re: [xsl] When to use text()


Subject: Re: [xsl] When to use text()
From: David Carlisle <davidc@xxxxxxxxx>
Date: Sat, 22 Mar 2014 08:41:54 +0000

On 21/03/2014 17:44, Ihe Onwuka wrote:
The quirkiness of the definition derives not from the definition
itself, because there may well be justification for the
existence of a node type that encompasses text with embedded
comments. Thats OK.


text nodes are leaves: they never have embedded comments. Your complaint
appears to be just a complete misunderstanding of what text() returns
(which is never anything with a comment in it). It's OK to misunderstand
the language but rather odd to assert that your misunderstanding is due
to a failure in the language definition.



Perhaps you'd want it to do what string() does but that's called string() not text():-)


You see there right where the smiley is, is where we differ. I don't see that as anything to smile about. To me thats just thats a smart alec distinction.

The distinction is fundamental to the use of XPath. text() returns a sequence of text nodes, you can ask for their identity, their parent and sibling nodes etc. string() (which appears to be the function you wanted) returns a _string_ which is an atomic value dissociated from any document tree. The distinction between atomic values and nodes pervades all uses of XSLT and XPath.


David



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