[sciurius]

The path for a freehand annotation (draw or highlight) consists of a series of X,Y points.
I notice that:

• The first and second point always are identical, and several other points are (also) duplicated. Is this due to the way the digitizer sends data?
  
• Occasionally and out-of-band value occurs (IEEE 32-bitf MAX_FLOAT, or 0xFFFFFFFFFFFFFFFF) apparently to denote the end of a stroke, however, this is always followed by another point. Does this mean that 0xFFFFFFFFFFFFFFFF indicates to end the stroke at the next point?
  

Thanks,