Perhaps this comment is too philosophical for this day-to-day oriented forum
but.....Maybe some crazy brain can be interested...
 
One might suggest comp.lang.scheme?

A group there have developed a markup form using s-expressions
and put it on the web. Unsure if they have an archive, deja news may help.

At least you could work in parens rather than pointy brackets,
and keep having fun at the same time!

HTH DaveP


 XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list