The order attribute indicates the size of the matrix to be used by a <feConvolveMatrix> element.

The mask attribute is a presentation attribute mainly used to bind a given <mask> element with the element the attribute belongs to.

The stroke-dasharray attribute is a presentation attribute defining the pattern of dashes and gaps used to paint the outline of the shape.

The paint-order attribute specifies the order that the fill, stroke, and markers of a given shape or text element are painted.

The result attribute defines the assigned name for this filter primitive. If supplied, then graphics that result from processing this filter primitive can be referenced by an in attribute on a subsequent filter primitive within the same <filter> element. If no value is provided, the output will only be available for re-use as the implicit input into the next filter primitive if that filter primitive provides no value for its in attribute.

The spacing attribute indicates how the user agent should determine the spacing between typographic characters that are to be rendered along a path.

The operator attribute has two meanings based on the context it's used in. Either it defines the compositing or morphing operation to be performed.

The style attribute allows to style an element using CSS declarations. It functions identically to the style attribute in HTML.

The unicode-range attribute defines the range of ISO 10646 characters possibly covered by the glyphs in a font.

The xml:lang attribute specifies the primary language used in contents and attributes containing text content of particular elements.