2.1.23 [SVG1.1:2011] Section 19, Animation
IE9 Mode, IE10 Mode, IE11 Mode, and EdgeHTML Mode (All Versions)
SMIL animation is not supported. In addition, no references to animation elements, properties, attributes, interfaces, or data types in other chapters of [SVG1.1:2011] are supported.
For data types that can be animated, the default setting for
the animVal attribute is animVal =