mask attribute binds the element it is applied to with a given
As a presentation attribute, it also can be used as a property directly inside a CSS stylesheet.
|Value||<FuncIRI> | none | inherit|
|Normative document||SVG 1.1 (2nd Edition)|
- A reference to another graphical object within the same SVG document fragment which will be used as the mask. the syntax for this reference is the same as the
mask as an attribute
<svg> TBD </svg>