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   Re: [xml-dev] RE: description of the logical or semantic structure

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  • To: Michael Kay <mike@saxonica.com>
  • Subject: Re: [xml-dev] RE: description of the logical or semantic structure
  • From: Robert Koberg <rob@koberg.com>
  • Date: Wed, 02 Nov 2005 10:23:02 -0500
  • Cc: xml-dev@lists.xml.org
  • In-reply-to: <200511021503.jA2F3pg22028@server1.livestoryboard.com>
  • References: <200511021503.jA2F3pg22028@server1.livestoryboard.com>
  • User-agent: Mozilla Thunderbird 1.0 (Macintosh/20041206)

Michael Kay wrote:
>>   <Name>Peter Smith</Name>
>>   <Age>56</Age>
>>Does the markup describes  the content for example  "Peter Smith" in a
>>semantic way, that means does it describes that 
>>the content "Peter Smith" has the semantic of a name 
> No, the tags in your markup are arbitrary strings. It's your description of
> the markup "When I say Name, I mean personal name" that conveys the
> semantics. There's arguably a default description "When I use a tag that's
> an English word, I use it with the same meaning as that English word", but
> that's still something that's external to the XML document itself. The tags
> have no meaning without an external explanation of their intent and usage.
> Without that explanation, the above XML fragment could mean "Launch an
> attack on Cuba NOW!".


would you say the same about phonetic sounds or alpha-numerics? If not, 
what's the difference? It did not start out codified, right? But 
something came of it...

what am I missing?



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