machines/systems/flexibot/docs/marlin/_gcode/G091.md

tag	title	brief	author	since	group	codes	example
g091	Relative Positioning	Set the interpreter to relative positions	thinkyhead	1.0.0-beta	units	G91	pre code Enable relative mode G91 ; Set all axes to relative

Set relative position mode. In this mode all coordinates are interpreted as relative to the last position. This includes the extruder position unless overridden by M82.