len = 2ssize;
lchar = 0.5ssize; lcharv = 0.5ssize;
pLine.push((0,0)--(.5ssize,0));
- pLine.push(shift((ssize,0))*scale(ssize/2)*unitcircle);
+ pLine.push(shift((ssize,0))*scale(ssize/2)*(E..N..W..S..E));
pLine.push((1.5ssize,0)--(2ssize,0));
if (type == AC) {
pLine.push((2ssize/3,0ssize){NE}..{E}((1/3+.5)*ssize,.2ssize)..{SE}(ssize,0)..{E}((2/3+.5)*ssize,-.2ssize)..{NE}(4ssize/3,0));