minimumTrackingAdjustment
The smallest amount of space, in points, to maintain between characters.
Declaration
var minimumTrackingAdjustment: CGFloat { get set }Discussion
Changing the value of this property tells the renderer that it can change the tracking to a value no smaller than the indicated amount. For example, a value of -0.5 indicates that characters can be tracked closer together by up to half a point. A value of 0 indicates that the standard spacing is used. A typical range of values for this property would be -0.5 to 0.0. The default value of this property is 0.0.