Radius of a circle becomes 0
There is a difference between version 3.2 an newer versions (126.96.36.199):
Existing a slider (r) for real numbers between 0 and 5;
a line with a point (A) on it;
a circle with midpoint A and Radius r;
intersection point (C) of the line and the circle.
If the radius becomes 0, the intersection point (C)
* does not exist longer in the newer versions, but it
* does exit in version 3.2
So a few constructions working in 3.2 do not work in the new versions.