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>>Actually, since S-expressions are isomorphic to the basic XML data model,
>>one could argue that X# == LISP :-)
> I've heard this claim asserted many, many times,
> but I still don't believe it.
Let's see, an XML element is
So the attributes are an assoc list, the content is a (recursive) list
of text strings or nodes. That could be represented in S-expr as
(x ( (attr1 value1)... ) content )
If there are no attributes
(x () content )
<foo attr='text'><bar>hello</bar><bar a='b'>world</bar>!</foo>
(foo ( ('attr' 'text'))
(bar () 'hello')
(bar ( ('a' 'b')) 'world')
> h = XPath(ancestor::*/following-sibling::*).
Don't have enough neurons to figure out why the above is "tricky."