Template:LSL Function/face

#var	value
ALL_SIDES	ALL_SIDES
p_none_desc	face number or ALL_SIDES
p_none_hover	face number or ALL_SIDES (-1)
facechoise	If none is ALL_SIDES then the function works on all sides.
header_footnote	If none is ALL_SIDES then the function works on all sides.
caveats	The function silently fails if its none value indicates a face that does not exist.