- z4 = (3/4 staff_space, 2 staff_space) rotatedabout (center, 180 - loopangle);
- z5 = 2[z4,center];
- x9 = x4; y9 = y4 - 2 loopdist;
- x10 = x5; y10 = y5 - 2 loopdist;
- penpos4 (thick, 90 - loopangle);
- penpos5 (thick, 90 - loopangle);
- penpos9 (thick, 90 - loopangle);
+ z4 = (3/4 staff_space, 2 staff_space)
+ rotatedabout (center, 180 - loopangle);
+ z5 = 2[z4, center];
+ x9 = x4;
+ y9 = y4 - 2 loopdist;
+ x10 = x5;
+ y10 = y5 - 2 loopdist;
+
+ penpos4 (thick, 90 - loopangle);
+ penpos5 (thick, 90 - loopangle);
+ penpos9 (thick, 90 - loopangle);