None.

match

Specifies a pattern that determines the elements for which this template should be used. It is a required attribute if there is no name attribute.

name

Specifies a name for this template, by which it can be invoked through the element.

mode

Specifies a particular mode for this template, which can be matched by an attribute of the element. This is useful for processing the same information in multiple ways.

priority

Specifies a numeric priority for this template. This can be any number other than Infinity. The processor uses this number when more than one template matches the same node.

Top-level, must be the child of or .

XSLT, section 5.3.

Supported.