text/xml vs. application/xml

Peter Murray-Rust peter at ursus.demon.co.uk
Sun Dec 21 00:53:13 GMT 1997

At 13:29 20/12/97 -0500, David Megginson wrote:


>I can also anticipate a different problem: few private people (as
>opposed to companies or organisations) have any control at all over
>what their HTTP servers send out.  

I am extremely sympathetic to this. XML will revolutionise the 'publishing
process' by providing direct author2reader communications (and much else).
It seems to me essential that authors are allowed to say what their
documents are, and XML gives them this opportunity, whilst - as David says
- with MIME they do not have complete freedom. [I have suffered the same
problem - people mailing me and asking 'can I change the MIME type of my
files?'; answer 'sorry'.]

BTW I have now hacked AElfred beta 4 under JUMBO, and it seems to work
fine. I can extract all the DTD information I want and render it as a tree,
as well as the conventional data. If - as David suggests - the current
AElfred API is close to the planned convergence, then fine. It *did* take
me longer than 15 mins - but I wasn't at my brightest :-). I'd still like
to see the #IMPLIED problem clearly agreed. AElfred AIUI outputs null as
the value for a non-existent attribute whether the attribute is declared or


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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