<foobar>
  Once <foo>upon</foo> a midnight <bar>dreary</bar> while I...
</foobar>

How do I make a traversal of that <foobar> node, picking
up text(), <foo> and <bar> in document order, so as to pass
through the text() but apply separate templates to <foo>
and <bar>?

Really silly, but identical in concept, would be to output
XHTML like below...

<p>
  Once <b>upon</b> a midnight <i>dreary</i> while I...
</p>

I'm not really doing something that silly. But the example
illustrates my traversal confusion in the simplest possible
terms.

I can't just grab the whole <foobar> node. I need to traverse
it...with text() mixed in and between those <foo> and <bar>
nodes. Sentence structure must not be destoyed. It would be,
I think, like traversing an XHTML <p> node. XSL can do that,
yes?

 <(+)__       Gan Uesli Starling
  ((__/)=-    Kalamazoo, MI, USA
   `||`
    ++        http://starling.us