Stupid me, I was looking at the wrong number. It's: inkscape-trunk_0.48+devel+10626+20~natty1_amd64.deb
I was looking at the inkscape package, not inkscape-trunk.
Stupid me, I was looking at the wrong number. It's: trunk_0. 48+devel+ 10626+20~ natty1_ amd64.deb
inkscape-
I was looking at the inkscape package, not inkscape-trunk.