Yes, of course this would be possible. And of course people have already had this idea. It's just that nobody has gotten around to actually coding it yet.
Happens sometimes :)
I imagine this would require some detailed specification and planning before implementation, or else we run into flexibility problems later.
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It only gets more and more complicated. :)
Some users have expressed their concern about the complexity of WikiSyntax, getting more & more complicated... And this would make it even more complicated ^.^
Timwi
Nicolas