G53 G0 x#<_ini[vars]toolchange_x> y#<_InI[vars]toolchange_y> z#<_INi[vars]toolchange_z>
(debug, position now: #<_x> #<_y> #<_z>)

(debug, not in ini: #<_iNi[nosuchsection]nosuchname>)

; now fail referencing an undefined ini variable:
#4711 =  #<_iNI[nosuchsection]nosuchname>

M2