I suspect you could achieve a similar result with a standard specification format for vector graphics. You just need to be open to extensions for prototyping fe

I suspect you could achieve a similar result with a standard specification format for vector graphics. You just need to be open to extensions for prototyping features. See open *OpenRaster. The issue with using SVG is it's not meant for use as data exchange in vector graphics editors but for web publishing. * https://en.m.wikipedia.org/wiki/OpenRaster https://en.m.wikipedia.org/wiki/OpenRaster