rl_attempted_completion_function  550 ext/readline/readline.c 	rl_attempted_completion_function = _readline_completion_cb;
rl_attempted_completion_function  551 ext/readline/readline.c 	if (rl_attempted_completion_function == NULL) {
rl_attempted_completion_function  613 ext/readline/readline_cli.c 	rl_attempted_completion_function = cli_code_completion;