[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
RE: DTD and Illegal Construct
- From: "Gregory M. Messner" <email@example.com>
- To: firstname.lastname@example.org
- Date: Wed, 10 Jan 2001 15:09:57 -0800
Actually I think it's:
'C' can only be present if both 'B' and 'E' are present
From: Jim Shain [mailto:Jim.Shain@alltel.com]
Sent: Wednesday, January 10, 2001 2:19 PM
Subject: RE: DTD and Illegal Construct
Honestly, I'm not playing stump the experts, but what about the instance?
((A, B, D?) | (A?, B, C?, D?, E))
In this instance 'C' can only be present if 'E' is present.
<!ELEMENT Request ((A, B, C?) | (A?, B, C?, D))> becomes
<!ELEMENT Request ((A, B, C?, D?) | (B, C?, D))>