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Hi,
Actually it is simpler to put namespaces everywhere... You don't have to use
them but this a good practice especially since with XML different documents
could be combined by a third party or a partner and you cannot know what
you'll have.
You should see it as a maintenence/evolution things.
At my past job, I created namespace for each document and then I used an
XSLT to delete them before processing (I was using Cocoon so I was using
pipelining). This proved to be a small overhead of treatment but useful in
several cases.
One last thing: you don't have to do <myNS:myTag>... you could instead
declare it anonymously this would work just as well and be (or so I think)
could enough.
Nicolas
___________________
Nicolas Toper
Marketing Services Technical Manager
Buongiorno France,
a Buongiorno Vitaminic Company
-----Message d'origine-----
De : kynn@panix.com [mailto:kynn@panix.com]
Envoyé : mercredi 21 avril 2004 14:52
À : xml-dev@lists.xml.org
Objet : [xml-dev] When to design an attribute in a namespace?
In http://www.rpbourret.com/xml/NamespacesFAQ.htm#q5_3, it says:
...the purpose of XML namespaces is to uniquely identify element
and attribute names. Unprefixed attribute names can be uniquely
identified based on the element type to which they belong, so
there is no need identify them further by including them in an
XML namespace. In fact, the only reason for allowing attribute
names to be prefixed is so that attributes defined in one XML
language can be used in another XML language.
This quote suggests that, when designing a schema/DTD one can safely
let most (if not all) attributes have no namespace (i.e. be
"unprefixed"); the designer only rarely should need to specify an
attribute as belonging to a namespace (i.e. requiring a prefix).
But I am interested in learning to recognize those rare situations
in which, as a designer, one *should* put a particular attribute
in a namespace. This is still very unclear to me. What are the
requirements that an attribute must fulfill to be a good candidate
for being placed in a namespace by the schema/DTD designer?
Thanks!
kj
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