& stops the parser with invalid text error

[richardpbull]

<name>Täschalp Restaurant &amp; Lodge</name>

in
<trkpt lon="7.810299" lat="46.059214"> <ele>2171.800000</ele> <name>Täschalp Restaurant & Lodge</name> <extensions> <oa:mapZoom>14</oa:mapZoom> </extensions> </trkpt>

Fatal error: Uncaught gisconverter\InvalidText invalid text for decoder gisconverter\XML

$str = str_replace('&','',$str); fixes it (which possibly breaking something else)