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[xsl] How do you select all unique first-position characters?

Subject: [xsl] How do you select all unique first-position characters?
From: "Shenan Hawkins" <shenan@xxxxxx>
Date: Wed, 20 Nov 2002 15:36:41 -0500
Assume the following XML:

<report-data>
	<person name="Anthony" />
	<person name="Amy" />
	<person name="Amy" />
	<person name="Jim" />
	<person name="Jason" />
</report-data>

What I know how to do already is select all unique person/name's
(ie.Anthony, Amy, Jim, Jason)

What I wish to find out is how do I select all unique first-position
characters for person/name? (ie. I would expect to get A,J from the
above XML)


Any help greatly appreciated!


TIA,
Shenan

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