Re: Processing Siblings As Though They Were Children

[Chris Maden <crism@xxxxxxxxxxx>]

[W. Eliot Kimber]
> I'm doing a DTD-to-DTD conversion and I've run into a situation that
> I can't figure out an easy way to solve.
> 
> I've got an input content model that looks like this:
> 
> <!ELEMENT containter1
>   (A?,B?,C?,
>    (SubHead, A?, B?, C?)*)
> >
> 
> On the output, I want to put any occurrence of "SubHead, ..." into a
> common container.
> 
> I know I can loop over the children of container1 explicitly. What I
> can't figure out--and I suspect I'm missing something fundamental or
> obvious--is how to inject the container element into the output so
> that its content is the result of processing subsequent As, Bs, and
> Cs, but not SubHeads.

(element containter1
	 (make element
	       gi: "level-1-container"))

(element SubHead
	 (make element
	       gi: "level-2-container"
	       (make element
		     gi: "level-2-title"
		     (process-children))
	       (process-node-list (node-list-filter ...[1]))))

[1] is, of course, the interesting bit, but I have to go.  I would
iterate (probably in a procedure) over the following siblings, consing
elements until I hit another SubHead or ran out of siblings.

-Chris
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