return Lookup::blank (Box (Interval (0, 0), Interval (0, 0)));
case MLP_LONGA: // mensural brevis head with right cauda
out = Font_interface::get_default_font (me)->find_by_name
return Lookup::blank (Box (Interval (0, 0), Interval (0, 0)));
case MLP_LONGA: // mensural brevis head with right cauda
out = Font_interface::get_default_font (me)->find_by_name