> If it implements an incompatible old version or proprietary standard with too many edge and not-so-edge case differences, that's another story. Anyone have ex

> If it implements an incompatible old version or proprietary standard with too many edge and not-so-edge case differences, that's another story. Anyone have experience? It implements a much earlier draft of the Grid spec, with a number of differences. You can't just throw prefixes on and expect it to work. That said, it might be possible to map 99.9% of cases automatically and have it work.