why the lucky stiff wrote:

> I'm told that XML actually originated in space (despite what you may say about 
> it's SGML origins.)  Yeah, it was an alien disease that came down in the 
> jacket of a cosmonaut.  It started as a swarm of hovering ping pong balls and 
> later formed the noxious mist that we all breathe nowadays.

If it is true that XML is a kind of disease, would you go so far as to 
say that it is "viral"? If so, isn't it like the GPL?