[JDEV] Jabber DTD ...
scote25 at mediaone.net
Sun Jun 3 06:43:52 CDT 2001
Hello. I'm new to the Jabber dev list. I'm enjoying getting my feet wet
in the Jabber universe. To that end, I have a question regarding some
entries in the protocol DTD files.
I've see elements that are formed similar to the following:
<!ELEMENT foo (( a? | b? | c?)*)>
What is the difference between that and the following?
<!ELEMENT foo (( a | b | c)*)>
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