The syntax defined in the original ISO 13250 topic maps standard. It is an SGML architecture based on HyTime (hence the name), and less powerful (and verbose) than the XTM syntax. It has mostly been used through derived XML DTDs, but is now rarely used.

Wisdom compressed

"Sarchasm: The gulf between the author of sarcastic wit and the person who doesn't get it."

Flickr goodness!
A photo on Flickr
A photo on Flickr
A photo on Flickr
A photo on Flickr
A photo on Flickr
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Technorati stuff
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