SVF specification - The Simple Vector Format, or SVF, is a vector graphics format which supports hyperlinks and layer information. It was jointly developed by SoftSource and NCSA to provide a useful 2-D vector format for use on the World Wide Web. The specification is freely - http://www.softsource.com/svf/spec.html
SVF (Simple Vector Format) - Information on SVF (Simple Vector Format). - http://www.softsource.com/svf/