...
- concat("_mirror",sp,point(p1<0>),sp,sp,point(p2<0>),sp,point(p3<0>),sp)
mirrorA - A function with the input of three points where p1 selects the object while p2 and p3 create a line that the object is reflected over. This function appears at the end of a line of AutoCAD code.
mirrorA(p1,p2,p3) :=
...