[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: SGML queries
John Cowan wrote: > 1) What is the correct jargon for an element which allows both start-tag and > end-tag omission? I have been calling them "phantom elements", since they > may be ESIS-present but lexically absent. I don't recall hearing a name for this; "phantom element" sounds as good a name as any. (I will note though, that in my opinion start-tag omission is a Really Bad Idea). > 2) I note that when SP has a choice between inferring a missing end-tag and > inferring a missing start-tag [...] This can never happen: it will only infer start-tags for contextually required elements, and if there is a contextually required element it cannot infer an end-tag. > (and phantom element), it infers the end-tag: > > <!DOCTYPE root [ > <!ELEMENT root - - (foo, foo?)> > <!ELEMENT foo - O (#PCDATA | bar)*> > <!ELEMENT bar O O (foo)> > ]> > <root> <foo> case 1 <foo> case 2 </root> > > does not generate an ESIS containing "bar", and even adding a "</bar>" > before "</root>" does not help. Is this behavior prescribed by the > Standard? Yes, this is the prescribed behaviour. 'bar' is not contextually required at any point in 'foo's content model, so it is not subject to start-tag inference. --Joe English jenglish@f...
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