[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Bounds Specification
Sameet Nasnodkar wrote: > > Okay .... I admit I am not that good at subjects. But I guess you guys > could tell me if there is a way to do this. You know how we can specify > the number of elements using a * or a + as > <!ELEMENT elem (E1*, E2, E3+)> > > In the above line, we say that E1 ocuurs 0 or more times, E2 occurs > once and E3 occurs at least once. > > I have a situation wherein I need to specify an element E4 that would > be guaranteed to occur 0 or 1 times. <!ELEMENT elem (E1*, E2, E3+, E4?)> Ari.
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