local displayed = frame.unit ~= frame.displayed and frame.displayed or nil;
frame:RegisterUnitEvent("UNIT_HEALTH", frame.unit, displayed);
frame:RegisterUnitEvent("UNIT_HEALTH_FREQUENT", frame.unit, displayed);
local displayed = frame.unit ~= frame.displayed and frame.displayed or nil;
frame:RegisterUnitEvent("UNIT_HEALTH", frame.unit, displayed);
frame:RegisterUnitEvent("UNIT_HEALTH_FREQUENT", frame.unit, displayed);