We don't use the mysterious `w' parameter anymore.  Being a bit more assertive about tick() being called inappropriately
We don't use the mysterious `w' parameter anymore.  Being a bit more
assertive about tick() being called inappropriately

tphelps/xtickertape,tphelps/xtickertape,epronk/xtickertape,epronk/xtickertape,tphelps/xtickertape