<?xml version="1.0"?>
<gpx version="1.1" creator="GDAL 1.5dev"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:ogr="http://osgeo.org/gdal"
xmlns="http://www.topografix.com/GPX/1/1"
xsi:schemaLocation="http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd">
<wpt lat="1" lon="2">
<extensions>
<ogr:Primary_ID>PID5</ogr:Primary_ID>
<ogr:Secondary_ID>SID5</ogr:Secondary_ID>
</extensions>
</wpt>
<wpt lat="3" lon="4">
<extensions>
<ogr:Primary_ID>PID4</ogr:Primary_ID>
<ogr:Secondary_ID>SID4</ogr:Secondary_ID>
</extensions>
</wpt>
</gpx>