intra_space_threshold_ = get_real_detail ("intra-space-threshold", 1.0);
outer_tie_length_symmetry_penalty_factor_ = get_real_detail ("outer-tie-length-symmetry-penalty-factor", 3.0);
outer_tie_vertical_distance_symmetry_penalty_factor_ = get_real_detail ("outer-tie-vertical-distance-symmetry-penalty-factor", 3.0);
intra_space_threshold_ = get_real_detail ("intra-space-threshold", 1.0);
outer_tie_length_symmetry_penalty_factor_ = get_real_detail ("outer-tie-length-symmetry-penalty-factor", 3.0);
outer_tie_vertical_distance_symmetry_penalty_factor_ = get_real_detail ("outer-tie-vertical-distance-symmetry-penalty-factor", 3.0);