http://www.w3.org/2000/svg
on <output>:
.http://www.w3.org/XML/1998/namespace
on <output>:
.http://www.w3.org/TR/html4/
on <output>:
.https://www.w3.org/1999/xlink
on <output>:
.http://www.w3.org/2000/svg
on <svg>:
.https://www.w3.org/1999/xlink
on <svg>:
.http://www.w3.org/XML/1998/namespace
on <svg>:
.