= get_detail (details, ly_symbol2scm ("accidental-collision"));
extra_encompass_free_distance_
= get_detail (details, ly_symbol2scm ("extra-encompass-free-distance"));
= get_detail (details, ly_symbol2scm ("accidental-collision"));
extra_encompass_free_distance_
= get_detail (details, ly_symbol2scm ("extra-encompass-free-distance"));