Extruding imported svg does only translate curve I created a svg in inkscape.



and imported it in blender.



Edit mode, with the display of handles turned off looks like



Selecting the curve by selecting one vertex and and pressing ctrl-L and pressing E to extrude it, restricting it by pressing Z does only result in translation.

I expected the mesh to become like a strip/band/wall.



The extrude curve menu that comes up shows some alternatives



...but changing to something else than translation here does not result in anything.

Why not?
Go to the object mode, press ALT+C and transform the curve into the mesh. Go to the edit mode and then extrude it along z-axis.