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RE: Can an element be sometimes empty?

• From: smessenger@m...
• To: xml-dev@l...
• Date: Tue, 25 Jul 2000 14:15:51 -0400

Let's not forget about the omnipotent ANY...

-----
Sean Messenger
Senior Internet Developer
Massachusetts Medical Society, www.mms.org
-----
smessenger@m...
781.434.7581
-----
'If you're not part of the solution, you're part of the precipitate.'

> -----Original Message-----
> From:	Kay Michael [SMTP:Michael.Kay@i...]
> Sent:	Tuesday, July 25, 2000 1:59 PM
> To:	'Michel Rodriguez'; xml-dev@l...
> Subject:	RE: Can an element be sometimes empty?
> 
> A DTD that allows mixed content also allows empty content.
> 
> Mike Kay
> 
> > -----Original Message-----
> > From: Michel Rodriguez [mailto:mrodrigu@i...]
> > Sent: 25 July 2000 18:13
> > To: xml-dev@l...
> > Subject: Can an element be sometimes empty?
> > 
> > 
> > Hi,
> > 
> > I came accross an interesting albeit theoretical problem today: can an
> > element in a well-formed XML document be sometimes empty and sometimes
> > not?
> > 
> > <doc>
> >   <weird_element/>
> >   <weird_element>with a content </weird_element>
> > </doc>
> > 
> > I saw nothing in the spec about this situation, but on the 
> > other hand this
> > poor well-formed document has no way of ever becoming valid, 
> > as the spec
> > states (rule 46) that an element's contentspec is either 
> > EMPTY or MIXED or
> > children. So you can't write a DTD for it.
> > 
> > Expat does not seem to have a problem with it though.
> > 
> > Is this a hole in the spec or did I miss something?
> > 
> > Michel Rodriguez
> > m.v.rodriguez@i...
> > http://www.xmltwig.cx
> > 

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