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Re: xpath vs xql

• From: Steve Ball <Steve.Ball@z...>
• To: xml-dev@x...
• Date: Mon, 03 Jul 2000 12:34:15 +1000

Matt Sergeant wrote:
> 
> 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).

FWIW, Henry Spencer's new Regular Expression package in Tcl 8.3
(actually first introduced in Tcl 8.1) handles Unicode and full I18N.

Cheers,
Steve Ball

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