$ = '<svg xmlns="http://www.w3.org/2000/svg"          \n';
$ = '     xmlns:xlink="http://www.w3.org/1999/xlink"> \n';

$ = '<path d="m 400 400                               \n';

r  = 200;
w  =   0;
xa = 200;
ya =   0;

for(i=0;i<=48;i++)
{
  r = r / 12 wurzel 2;
  w = w+3./360*2*PI  ;
  x = cos w * r      ;
  y = sin w * r      ;
  $ = 'a '+r+' '+r+' 0 1 0 '+(x-xa)+' '+(-y+ya)+'\n';
  xa = x;
  ya = y;
}
$ = '" style="fill:white;stroke:red;stroke-width:0.5"/>\n';
$ = '</svg>\n';