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   Re: John Cowan's view on SAX extensions for ns drafts

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  • From: Peter Murray-Rust <peter@ursus.demon.co.uk>
  • To: John Cowan <cowan@locke.ccil.org>,XML Dev <xml-dev@ic.ac.uk>
  • Date: Tue, 11 Aug 1998 20:27:39

At 14:12 11/08/98 -0400, John Cowan wrote:
>Since I can't be at Montreal, here's my (lengthy, but hopefully

I don't think Montreal is critical - I don't think any RL meeting should
be. It's just that I get a chance to meet lots of new people and maybe feed
back some non e-ideas. No suggestion that there would be a RL XML-DEV meeting.

I'm keen that this takes place by the same XML-DEV processes. I think it's
essential that those who have posted on this subject start exchanging ideas
and possible timescales.

>complete) proposal for extending SAX 1.0.  My design goals are:
>    o	Supports current ns draft
>    o	Conceptually compatible with David Megginson's XML-Dev
>	    message of 8 August
>    o	Equally useful for integral or layered implementations
>    o	Fully backward compatible with SAX 1.0
Looked a useful starting point. I think our experience has shown that it
takes longer than it looks (not sure why). But we need something fairly
badly, I think. My own effort is rather post-SAX in than I am hoping to
consume 'normalised' namespace information and then apply Java classes to
it. I shall probably post the current JUMBO  fairly shortly - it is based
crudely on pre-0802 namespaces (e.g. it doesn't worry about the many2many

One thing that we may have to bear in mind is whether we wish to preserve
any of the prefixes for subsequent authoring/transformation. For example,
if FOO is declared with a default namespace of http://foo.org do people
mind if it gets output as something like NS3:FOO? (where the prefixes run
from NS1 to NS10 or whatever). Personally - although I would like it - I
think that's too advanced and that prefixes are expanded and meaningless in
any transformation.


Peter Murray-Rust, Director Virtual School of Molecular Sciences, domestic
net connection
VSMS http://www.nottingham.ac.uk/vsms, Virtual Hyperglossary

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