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- From: Peter Murray-Rust <firstname.lastname@example.org>
- To: email@example.com
- Date: Sun, 30 Nov 1997 12:27:45
At 21:29 30/11/97 +1100, Rick Jelliffe wrote:
>* The SGML entity mechanism is based on having type information as part
>of the declaration of the entity, not in the entity reference and not in the
I am very interested in automatic Typing of information components and
think that this will be a very active area for the XML community.
XML(SGML) entities (NOTATION) have traditionally used PUBLIC and FPIs
(Formal Public Identifier) for adding type information. This works if there
is a registry of FPIs for this purpose. Without it is not much use. My
impression - and I'm happy to be corrected - is that there are few useful
FPIs for Typing objects.
Using a SYSTEM Id is subject to the problem of permanence and uniqueness of
>* The XLL mechanism (well, I should say the MIME mechanism really) is
>based on the entity being self-identifying as to type (aided by
>any additional attributes you like on the linking element).
Unfortunately, not all targets of XLL HREFs will be self-identifying. This
is true of local files and not-very-smart-servers. It is therefore useful
for the author to be able to add MIME types to the target.
As yet, MIME is not part of the XLL mechanism. I wish it was, and keep
squeaking for it. If it isn't I suggest we use XDEV:MIME as a FUA
'frequently used attribute' in XML-LINKs.
Peter Murray-Rust, Director Virtual School of Molecular Sciences, domestic
VSMS http://www.nottingham.ac.uk/vsms, Virtual Hyperglossary
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