I thought I saw or read somewhere that there's a quick way to make a standard 4-node automation segment. By that I mean a flat segment with double nodes at each end so that the flat part may be dragged up or down, like for toggling a parameter or muting or whatever. It was something like drag to select the segment you want to do this on, then a modifier key and a click or drag to automatically create a line segment with two nodes at each end. I've combed the Reference Guide and do