words (RE: extensibility in XSchema?)

[james anderson]

?

i thought you could do this with unparsed (that is, external) entities only.
(i don't understand why, but that's what i thought the rec says)
?
and, what's the difference between the cited example and the following (modulo
validation constraints)?

<!ATTLIST object   PI CDATA #IMPLIED >
<object  PI="&x">A wooden horsey</object>

Peter Murray-Rust wrote:
> 
> At 00:25 24/06/98 +1000, Rick Jelliffe wrote:
> >
> >
> >There is a currently a way to bind a PI to an element:
> >..
> ><!ENTITY x "<?RJ take this and shove it ?>" >
> ><!ATTLIST object   PI ENTITY #IMPLIED >
> >...
> ><object  PI="x">A wooden horsey</object>
> 
> Wow! This is standard? in XML? If so, it requires a smarter bear than me to
> dig it out of the spec :-). But - if all the SGML gurus say 'yes, of
> course, we meant you to do that all along' great. But *please* let's have
> it in some examples somewhere in big letters.
> 
> And, of course, if it's standard, I have to implement it. So when parsing I
> have to think about whether an attribute is of type entity and all the
> things it might do. Please can I have a list... :-)
> 
>         P.
> 
> >
> >
> >What Peter is asking, I think, is for some agreed on PI notation which can
> >be used to launch particular applications, based on an attribute in them.
> >This is no different than
> >       <?xml:stylesheet href="www.blah/blah" type="application/java"
> >title="JUMBEAUX"?>
> >       <?xml:stylesheet href="www.blort/blort" type="text/css" title="Simple" ?>
> >
> >But rather than just being limited to just stylesheets to be run in the
> >current browser, he wants to be able to invoke other browsers.
> 
> Yup.
> 
> >
> >This is already under W3C consideration: see James Clark's note on
> >stylesheets http://www.w3.org/TR/NOTE-xml-stylesheet.
> 
> Ah! If this is really on the way, and we can bind MIME types to
> stylesheets, I suspect my problem is soluble. But we need to publicise it :-)
> 
>         P.
> 
> Peter Murray-Rust, Director Virtual School of Molecular Sciences, domestic
> net connection
> VSMS http://www.nottingham.ac.uk/vsms, Virtual Hyperglossary
> http://www.venus.co.uk/vhg
> 
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