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   RE: xpath vs xql

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  • From: Matt Sergeant <matt@sergeant.org>
  • To: Kay Michael <Michael.Kay@icl.com>
  • Date: Fri, 30 Jun 2000 11:30:11 +0100 (BST)

On Fri, 30 Jun 2000, Kay Michael wrote:

> > Somebody says XPATH provide a better functionality than xql.
> > I am not sure about this. But lack of functions such as "like"
> > to compare strings, and nested condition (i.e. a [] inside a [])
> > makes it difficult to select some specified nodes with XPATH. 
> > One can make
> > extensions to XSLTs to overcome some of them (such as string 
> > A like string
> > B), but not always. Why don't the XPATH, allow using of 
> > nested conditions?
> >
> I suspect the absence of a "like" function in version 1.0 is because people
> didn't want to put regular expression matching in unless they got it right,
> which with full Unicode and full internationalisation is not actually easy.

FWIW I believe that some of the latest Unicode documentation references
Perl 5.6's regular expression extensions for Unicode (it might not be a
direct reference though).

Disclaimer: I've not read the Unicode docs in question.


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