## CompatibilityOptions.ul_trail_space property Underline All Trailing Spaces. ```python @property def ul_trail_space(self) -> bool: ... @ul_trail_space.setter def ul_trail_space(self, value: bool)......swap_borders_facing_pgs, 'SwapBordersFacingPgs'...ExCompatibilityOptio._add_option_name(options.swap_inside_and_outside_for_mirr...