animate accumulate
The none SVG value specifies that repeat iterations are not cumulative.
feConvolveMatrix edgeMode
The none SVG value specifies the input image is extended with pixel values of zero for R, G, B and A.
feGaussianBlur edgeMode
The none SVG value specifies the input image is extended with pixel values of zero for R, G, B and A.
path d
The none SVG value specifies there is no path data for the element.
svg transfrom
The none SVG value specifies the computed value to have no transform.