This module defines basic data types for data, attributes and element occuring in SVG documents. It is based on the specification available at http://www.w3.org/TR/SVG/.
This module is experimental, it may lack of some attributes, and the interface is very low level and do not take deeply into account the needs of SVG elements.
This part defines the categories of elements and attributes
An IRI reference is an Internationalized Resource Identifier with
an optional fragment identifier, as defined in Internationalized
RFC3987. An IRI reference serves as a reference
to a resource or (with a fragment identifier) to a secondary
resource. See References and the ‘defs’ element..
SVG defines several units to measure time, length, angles.