Reproduced with Inkscape 0.48 and 0.48+devel r9723 on OS X 10.5.8
Not reproduced with Inkscape 0.47 -> regression with the new node tool (works with other tools in all versions).
Reproduced with Inkscape 0.48 and 0.48+devel r9723 on OS X 10.5.8
Not reproduced with Inkscape 0.47 -> regression with the new node tool (works with other tools in all versions).