Re: [Chicken-users] Re: Chicken-users Digest, Vol 45, Issue 12

[Kon Lovett]

On Aug 6, 2006, at 10:25 AM, Reed Sheridan wrote:

> > From: "Ian Oversby" <address@hidden>
> > Subject: [Chicken-users] sxml-match question
>
> > Thanks to Reed Sheridan, Kon Lovett and Felix Winkelmann for  
> > pointing me in
> > the necessary direction in order to use sxml-match.  Now I have a  
> > question
> > about how it works.  Sorry if this is not the correct place to ask.
> >
> > Why does the first of these match but the second one doesn't?
> >
> > (sxml-match '(1 (2 3) 4 5)
> >             ((list ,x1 . ,x2) x2)
> >             (,otherwise #f))
> >
> > >((2 3) 4 5)
> >
> > (sxml-match '(a (2 3) 4 5)
> >             ((list ,x1 . ,x2) x2)
> >             (,otherwise #f))
> >
> > - Hide quoted text -
> > - Show quoted text -
> >
> > >#f

I answered directly (forgot to cc the group).

The 1st element of a nodeset cannot be a symbol. Such a form is to be  
an element.

> Since nobody answered, probably nobody here knows.  I ported Jim
> Bender's sxml-match to Chicken, but I didn't end up using it very much
> and am hardly an expert in how it works.  You might want to ask Jim
> Bender, or the WebIt! mailing list.  It could also be a bug in the
> Chicken port, or in some underlying Chicken procedure, although I did
> make sure that it passed all of Bender's tests, and the changes I made
> were so slight that I don't think they should matter.  But checking
> against the canonical PLT version may be a good idea.
>
> Bender's sxml-match page is here:
> http://celtic.benderweb.net/sxml-match/
>
> Reed Sheridan
>
>
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