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Re: Some random noise on rational type systems for XML


Re:  Some random noise on rational type systems for XML
Joe English <jenglish@f...> wrote:

| But the _XML_ ur-type is string.  From the application point of view, 
| you might have dates, integers, IEEE double precision floating point 
| numbers, et cetera, 

IOW, data content notations...

| but as far as XML is concerned everything is a string.

As the ur-type, yes, but there is one development of strings that I would
also consider intrinsic to XML: names (or maybe, name tokens).  It's all
about naming anyway.
 
| If we're talking about a rational type system _for XML_, then Amelia's 
| first principle is eminently sensible.  In fact, I'd go even further 
| and say it's the _only_ sensible foundation for an XML type system.

Agreed.

(XML missed incorporating the WebSGML TC's DATA declared value, and the TC
itself missed out on extending the concept as a replacement for NOTATION
attributes.  Oh well.)
 

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