XSD GDTF 1.1
XML Schema Documentation for (older) GDTF 1.1
The XSD for GDTF 1.1 is available on https://github.com/mvrdevelopment/spec/blob/main/gdtf.xsd.
The XSD for GDTF 1.1 is available on https://github.com/mvrdevelopment/spec/blob/main/gdtf.xsd.