This is METAFONT, WAITS Version 0.0 (preloaded base=plain 84.8.3)  16 AUG 1984 11:18
	**       \tracingall;

	*showall pencircle scaled 2;
	{showall}
	{pencircle}
	{(future pen)scaled(2)}
	Pen polygon at line 0 (newly created):
	(0,-1)
	 .. (1,-0.5)
	 .. (1,0)
	 .. (0.5,1)
	 .. (0,1)
	 .. (-1,0.5)
	 .. (-1,0)
	 .. (-0.5,-1)
	 .. cycle

	>> 
	Pen polygon at line 0:
	(0,-1)
	 .. (1,-0.5)
	 .. (1,0)
	 .. (0.5,1)
	 .. (0,1)
	 .. (-1,0.5)
	 .. (-1,0)
	 .. (-0.5,-1)
	 .. cycle

	! OK.
	<*> showall pencircle scaled 2;
					 
	? x
	   
	Here is how much of METAFONT's memory you used:
	 1 string out of 494
	 24 string characters out of 11793
	 517&893 words of memory out of 26000&34001
	 290 symbolic tokens out of 2100
	 0i,39n,0p,31b stack positions out of 30i,50n,150p,500b