@Con-Hennekens
It is as you can see:
<?xml version="1.0"?>
<gpx xmlns="http://www.topografix.com/GPX/1/1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:wptx1="http://www.garmin.com/xmlschemas/WaypointExtension/v1" xmlns:gpxtrx="http://www.garmin.com/xmlschemas/GpxExtensions/v3" xmlns:gpxtpx="http://www.garmin.com/xmlschemas/TrackPointExtension/v1" xmlns:gpxx="http://www.garmin.com/xmlschemas/GpxExtensions/v3" xmlns:trp="http://www.garmin.com/xmlschemas/TripExtensions/v1" xmlns:adv="http://www.garmin.com/xmlschemas/AdventuresExtensions/v1" xmlns:prs="http://www.garmin.com/xmlschemas/PressureExtension/v1" xmlns:tmd="http://www.garmin.com/xmlschemas/TripMetaDataExtensions/v1" xmlns:vptm="http://www.garmin.com/xmlschemas/ViaPointTransportationModeExtensions/v1" xmlns:ctx="http://www.garmin.com/xmlschemas/CreationTimeExtension/v1" xmlns:gpxacc="http://www.garmin.com/xmlschemas/AccelerationExtension/v1" xmlns:gpxpx="http://www.garmin.com/xmlschemas/PowerExtension/v1" xmlns:vidx1="http://www.garmin.com/xmlschemas/VideoExtension/v1" creator="Garmin Desktop App" version="1.1" xsi:schemaLocation="http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd http://www.garmin.com/xmlschemas/WaypointExtension/v1 http://www8.garmin.com/xmlschemas/WaypointExtensionv1.xsd http://www.garmin.com/xmlschemas/TrackPointExtension/v1 http://www.garmin.com/xmlschemas/TrackPointExtensionv1.xsd http://www.garmin.com/xmlschemas/GpxExtensions/v3 http://www8.garmin.com/xmlschemas/GpxExtensionsv3.xsd http://www.garmin.com/xmlschemas/ActivityExtension/v1 http://www8.garmin.com/xmlschemas/ActivityExtensionv1.xsd http://www.garmin.com/xmlschemas/AdventuresExtensions/v1 http://www8.garmin.com/xmlschemas/AdventuresExtensionv1.xsd http://www.garmin.com/xmlschemas/PressureExtension/v1 http://www.garmin.com/xmlschemas/PressureExtensionv1.xsd http://www.garmin.com/xmlschemas/TripExtensions/v1 http://www.garmin.com/xmlschemas/TripExtensionsv1.xsd http://www.garmin.com/xmlschemas/TripMetaDataExtensions/v1 http://www.garmin.com/xmlschemas/TripMetaDataExtensionsv1.xsd http://www.garmin.com/xmlschemas/ViaPointTransportationModeExtensions/v1 http://www.garmin.com/xmlschemas/ViaPointTransportationModeExtensionsv1.xsd http://www.garmin.com/xmlschemas/CreationTimeExtension/v1 http://www.garmin.com/xmlschemas/CreationTimeExtensionsv1.xsd http://www.garmin.com/xmlschemas/AccelerationExtension/v1 http://www.garmin.com/xmlschemas/AccelerationExtensionv1.xsd http://www.garmin.com/xmlschemas/PowerExtension/v1 http://www.garmin.com/xmlschemas/PowerExtensionv1.xsd http://www.garmin.com/xmlschemas/VideoExtension/v1 http://www.garmin.com/xmlschemas/VideoExtensionv1.xsd">
<metadata>
<link href="http://www.garmin.com">
<text>Garmin International</text>
</link>
<time>2024-04-07T22:41:51Z</time>
<bounds maxlat="51.961097996681929" maxlon="7.965689627453685" minlat="51.961097996681929" minlon="7.965689627453685"/>
</metadata>
<wpt lat="51.961097996681929" lon="7.965689627453685">
<time>2023-02-06T16:19:14Z</time>
<name>Wertstoffhof 113</name>
<cmt>Neuwarendorf 113
Warendorf, Warendorf, 48231, DEU
Dieser ist freitags von 13 bis 16 Uhr sowie samstags von 9 bis 13 Uhr geöffnet.</cmt>
<desc>Neuwarendorf 113
Warendorf, Warendorf, 48231, DEU
Dieser ist freitags von 13 bis 16 Uhr sowie samstags von 9 bis 13 Uhr geöffnet.</desc>
<sym>Circle, Red</sym>
<type>user</type>
<extensions>
gpxx:WaypointExtension
gpxx:DisplayModeSymbolAndName</gpxx:DisplayMode>
gpxx:Address
gpxx:StreetAddressNeuwarendorf 113</gpxx:StreetAddress>
gpxx:CityWarendorf</gpxx:City>
gpxx:StateWarendorf</gpxx:State>
gpxx:CountryDEU</gpxx:Country>
gpxx:PostalCode48231</gpxx:PostalCode>
</gpxx:Address>
</gpxx:WaypointExtension>
wptx1:WaypointExtension
wptx1:DisplayModeSymbolAndName</wptx1:DisplayMode>
wptx1:Address
wptx1:StreetAddressNeuwarendorf 113</wptx1:StreetAddress>
wptx1:CityWarendorf</wptx1:City>
wptx1:StateWarendorf</wptx1:State>
wptx1:CountryDEU</wptx1:Country>
wptx1:PostalCode48231</wptx1:PostalCode>
</wptx1:Address>
</wptx1:WaypointExtension>
ctx:CreationTimeExtension
ctx:CreationTime2023-02-06T16:19:14Z</ctx:CreationTime>
</ctx:CreationTimeExtension>
</extensions>
</wpt>
</gpx>
I wonder that it is two times there but that is not a problem (only on the Garmin Zumo because there you get this text two times in on window.