/* `switch' is a Asymptote keyword (or it should be), so append SPST
* for Single Pole Single Throw.
*/
-MultiTerminal switchSPST(pair beg=(0,0), real dir=0, int type=closed,
+MultiTerminal switchSPST(pair beg=(0,0), real dir=0, int type=open,
Label label="", Label value="", bool draw=true)
{
path pLine[] = {};