o<drill_retr> sub
	; x1, y1, z_clr
	; #1  #2, #3

	G90	  ; absolute x,y,z

	o1 if [EXISTS[#<_z_clearance>]]
		#<z_clearance> = #<_z_clearance>
	o1 else
		#<z_clearance> = #3
	o1 endif

	;;;;;;;;;; PROGRAM ;;;;;;;;;

	M101
	G0 Z#<z_clearance>
	G0 X#1 Y#2
	M102  ; disable Z-axis (M101 enables)
	M0 ; pause
	M101
	G0 Z#<z_clearance>

o<drill_man_retract> endsub

M2