[xquery-talk] XQuery needs to prohibit variable redefinition
Michael Kay
mhk at mhk.me.uk
Fri Jul 16 01:56:53 PDT 2004
For the record, here is Dimitre Novatchev's take on the issue (expressed in
XSLT terms):
http://lists.w3.org/Archives/Public/public-qt-comments/2004Feb/0111.html
Michael Kay
> -----Original Message-----
> From: kent tegels [mailto:ktegels at Msn.com]
> Sent: 15 July 2004 23:59
> To: 'Per Bothner'; 'Michael Kay'
> Cc: talk at xquery.com
> Subject: RE: [xquery-talk] XQuery needs to prohibit variable
> redefinition
>
> I have a different view on the issue, but I don't want debate
> that here. If
> you're interest, its at.
> http://sqljunkies.com/WebLog/ktegels/archive/2004/07/15/3512.aspx
>
> Yet another reason I can't wait for Michael's book to get done.
>
> -----Original Message-----
> From: talk-bounces at xquery.com
> [mailto:talk-bounces at xquery.com] On Behalf Of
> Per Bothner
> Sent: Thursday, July 15, 2004 5:09 PM
> To: Michael Kay
> Cc: talk at xquery.com
> Subject: Re: [xquery-talk] XQuery needs to prohibit variable
> redefinition
>
> Michael Kay wrote:
>
> >>There is no reason why the Core Language can't allow redefinitions,
> >>even if the User Language doesn't.
> >>
> >>After all, the names added by Normalization are in the 'fs'
> namespace,
> >>which users can't access anyway.
> >
> >
> > You're preaching to the choir.
>
> I suspected that. But do you think there is any chance we can get the
> committee to reconsider? We do have new data: that many of
> the beginner
> questions we get on this list are the result of confusing
> declarations with
> assignments. This is a problem.
> Prohibiting redeclarations isn't a full solution, but at
> least it enables
> the compiler to reject many of these erroneous programs.
> --
> --Per Bothner
> per at bothner.com http://per.bothner.com/
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