Hmm... I have tried this out today, and it seems to be working fine. I guess some...
I have no .Xresources. My apps file does not contain anything which could relate...
Ok, you got me there. :) I had restarted fluxbox and not the entire session. Here...
I tried it with a fresh config, but no help. xprop reports the sizes correctly, but...
Xephyr window resize fails
Fixed in 30d09e2