Note! I'm pretty sure this isn't working exactly correctly yet. The "Writing Area Size" is currently suspect, but I can't figure out why.
Right now, the dashed line dash ratio and length is fixed no matter how large your writing area.
I'll strike a good dynamic ratio later. Also, the line weight on the dashed line is also fixed to half od the input line value. I may add a control for this later, if it is requested.
