Prefix for http://www.w3.org/2000/svg on <output>: Not tested.
Prefix for http://www.w3.org/XML/1998/namespace on <output>: Not tested.
Prefix for http://www.w3.org/TR/html4/ on <output>: Not tested.
Prefix for https://www.w3.org/1999/xlink on <output>: Not tested.
Prefix for http://www.w3.org/2000/svg on <svg>: Not tested.
Prefix for https://www.w3.org/1999/xlink on <svg>: Not tested.
Prefix for http://www.w3.org/XML/1998/namespace on <svg>: Not tested.