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- From: Leigh Dodds <email@example.com>
- To: firstname.lastname@example.org
- Date: Fri, 26 Mar 1999 12:40:56 -0000
> Why doesn't XML support the notion of an unordered list of elements,
> i.e., a Bag? Perhaps this is a limitation of DTD, not XML? That is,
> DTDs do not support Bags, but XML has no such inherent limitation? Does
> DCD support Bags? /Roger
An XML newbie writes....
Isn't this an unordered list of elements?
<!ELEMENT BAG (A?,B?,C?,D?)+>
Which appears to have order, but as elements are optional
and the group is repeatable the ordering isn't enforced. Although
the bag can't be empty. So, you could have...
<!ELEMENT BAG (A?,B?,C?,D?)*>
Which allows an empty BAG
Or am I completely wrong?
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