Hah. They "fixed" the gradients in 0.91 by converting them into flat colors. Simple copy/pasting does not work. You have to save-as. Saving as EMF or WMF gives you several gradient-related options to play with. The 'rectangular gradient' option becomes flat-color. The 'convert gradient int...

Tried copy/paste in 0.41, but that's no good, as one might have expected. I will try the 0.91.

So, Inkscape can't save these files properly. This is a well known bug in Uniconvertor and isn't getting fixed any time soon. Both EMF and WMF have problems with gradients; the WMF converter just crashes because of it, while the EMF converter helpfully ignores all gradients instead. The "offici...