I tried to extrude a path to extend it, but pressing E seems to make it act like I’m just grabbing it. It doesn’t appear to add a new point either.
So I tried a bezier curve instead, pressing seems to make another point on top of the other and pointing in the opposite direction.
Am I doing something wrong or is this a bug?
To illustrate, take - as lines of the curve and . as points:
I start with:
I extrude and get: