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   Re: [xml-dev] SGML queries

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"Bullard, Claude L (Len)" scripsit:

> *Bonehead elements* might be good.


> Other than in 
> the SGML Handbook, I've never seen these used 
> in practice.

Well the document "<title>foo</title>bar" is valid HTML (not XHTML)
if appropriately decorated with a DOCTYPE declaration,
and means "<html><head><title>foo</title></head><body>bar</body></html>".
HTML 4.01 has four phantom elements: html, head, body, and tbody (inside

> Assuming that your SGML Declaration has "OMITTAG YES" 
> and you aren't playing with short tags.


> "A start tag is omissible when the element type is 
> contextually required and any other elemnt types that 
> could occur are contextually optional." pg 74

Okay, fair enough.

> "Even when an element is contextually required, its 
> start tag cannot be omitted if the element type has 
> required attributes or a declared content, or if the 
> instance of the element is empty."  pg 75

Okay.  Required attributes have to go someplace, and EMPTY or CDATA or other
oddball contents can't just appear without any lexical labeling.

> Section 4.6.1 takes up the OMITTAG feature in more 
> detail.  If you don't have a copy of the handbook, 
> let me know and I will transcribe the relevant 
> page or two.

Thanks, I'd appreciate it.

John Cowan                              <jcowan@reutershealth.com>
http://www.ccil.org/~cowan              http://www.reutershealth.com
Unified Gaelic in Cyrillic script!


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