To further facilitate the operation of {TAIL ~ the programmer}, means are provided to record {HEAD ~ all actions} of an operator, whether this concerns the selection of objects on the display, the execution of a tests function or the modification of a parameter value 
To further facilitate the operation of { TAIL ~ the programmer } , means are provided to record { HEAD ~ all actions } of an operator , whether this concerns the selection of objects on the display , the execution of a tests function or the modification of a parameter value
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH