Re: First Occurrence of an Element

[Chris Maden <crism@xxxxxxx>]

[Chuck Darney]
> Is it possible to know when the first occurrence of an element
> exists?  I would like to be able to affect only the first occurrence
> of say the SECTION element.

If they're always on the same level, you can use (child-number):

(= (child-number (current-node))
   1)

If they can occur at any level, you can use (element-number-list):

(= (list-ref (element-number-list '("CONTAINER"
				    "SECTION")
				  (current-node))
	     1)
   1)

(Now, try finding the first one in the container with a given
attribute name/value pair, as mandated by our house style for cross-
references.  Now *that* was fun.)

-Chris
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