[2] ultigpx/example1.gpx at master · Knio/ultigpx (2016-04-09 20:28:28 +09:00 版) https://github.com/Knio/ultigpx/blob/master/example1.gpx
<trk><name>duplicatename</name><type>Track black</type><extensions><line xmlns="http://www.topografix.com/GPX/gpx_style/0/2"><color>000000</color></line></extensions>
<trk>
<name>duplicatename</name>
<type>Track black</type>
<extensions>
<line xmlns="http://www.topografix.com/GPX/gpx_style/0/2">
<color>000000</color>
</line>
</extensions>