Order of Declarations in DTD subsets

Peter Murray-Rust peter at ursus.demon.co.uk
Mon Dec 22 11:44:54 GMT 1997

At 09:36 22/12/97 +0000, Richard Light and James Clark  wrote:
[... helpful replies deleted ...]

I was asking in the context of the emerging Simple API - I don't think this
gives us any problems, but I'd like to be sure that I can extract the
ELEMENTs before the ATTLISTs, regardless of the order they are actually
declared in. 

I also note that the order of declarations of ELEMENTs, and attributes
within ATTLISTs is undefined. This is an area where different implementers
of the API might return different orders, so that it is marginally more
difficult to check if 2 DTDs are "equivalent". Is it possible or desirable
to suggest a canonical order for the output of either through the API?

[Alternatively, can Java check for the equality of 2 Enumerations (other
than by the user explicitly building a Hashtable)?]


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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