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RE: DTD Notation
- From: "Bullard, Claude L (Len)" <clbullar@i...>
- To: "Boyse, Jim" <Jim_Boyse@f...>, xml-dev@l...
- Date: Wed, 11 Jul 2001 09:27:00 -0500
Title: DTD Notation
None. The parens are probably an artifact of someone cutting
and
pasting, or thought the choices were going to be extended
later.
Len http://www.mp3.com/LenBullard
Ekam
sat.h, Vipraah bahudhaa vadanti. Daamyata. Datta. Dayadhvam.h
Can someone help with a DTD notation question,
please?
I'm looking at a DTD furnished by an outside
source. In the DTD, most "optional repeating" elements are defined with
an asterisk, for example, <!ELEMENT Test1 (ItemA, ItemB?,
ItemC*)>. But a few are defined with additional parentheses, for
example, <!ELEMENT Test2 (ItemA, ItemB?, (ItemC)*)>.
What's the difference between "ItemC*" and
"(ItemC)*"?
Thanks for any insight into this (subtlety |
confusion) you can give.
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