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Hi Jeff,
>> 2. Enforce sanity, as defined at:
>>
>> http://www.flightlab.com/~joe/sgml/sanity.txt
>>
>> by saying that once a (markup-level) namespace is declared, it
>> cannot be re-declared in the same document unless it has the same
>> prefix.
>>
> ...
>> 4. (A general thing, but has a particular impact with namespaces)
>> Have an option to retain user-specified but syntax-level
>> artifacts such as namespace prefixes, so that identity
>> transformations (for example) are able to create
>> identical-looking XML. For some reason, users grow attached to
>> the prefixes that they use and get upset when they're substituted
>> for 'ns0', despite the fact that the expanded names are just the
>> same.
>
> It seems that (4) may conflict with (2) in where XML documents are
> merged. Will you use some form of prefix mangling in those cases?
Yep. Fortunately, given (1) (that namespaces-for-markup and
namespaces-for-content are kept separate), it's possible to change
prefixes without losing information that might be required for
interpreting content. And with a prefix retained, it would be possible
to use relatively meaningful prefixes in the merged document, such as
'xsl1' rather than 'ns0'.
Cheers,
Jeni
---
Jeni Tennison
http://www.jenitennison.com/
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