balance_possible_root_interval  517 src/intervals.c   balance_possible_root_interval (interval);
balance_possible_root_interval  561 src/intervals.c   balance_possible_root_interval (interval);
balance_possible_root_interval  621 src/intervals.c   tree = balance_possible_root_interval (tree);
balance_possible_root_interval  924 src/intervals.c 	  temp = balance_possible_root_interval (temp);
balance_possible_root_interval  979 src/intervals.c 	  temp = balance_possible_root_interval (temp);