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Remove duplicates from a list

From: "Asim Tozlu" <Tozlu at optimal-systems dot de>
To: <XSL-List at lists dot mulberrytech dot com>
Date: Tue, 29 Jan 2002 16:31:13 +0100
Subject: [xsl] Remove duplicates from a list
Reply-to: xsl-list at lists dot mulberrytech dot com

Hi,

i'm XSL-newbi. I have this XML:

<tdObsResults>
	<OBX ObservationDT="2001-11-05T08:00:00"
Observation_ID="1742-6"/>
	<OBX ObservationDT="2001-11-05T08:00:00"
Observation_ID="1232-6"/>
	<OBX ObservationDT="2001-11-03T08:00:00"
Observation_ID="1685-6"/>
	<OBX ObservationDT="2001-11-02T08:00:00"
Observation_ID="1742-6"/>
	<OBX ObservationDT="2001-11-08T08:00:00"
Observation_ID="1742-6"/>
	<OBX ObservationDT="2001-11-03T08:00:00"
Observation_ID="1685-6"/>
</tdObsResults>

and i need this Result
1742-6
1232-6
1685-6

Thanks for a Tip

Asim


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