rb_reg_s_quote   2993 re.c                       quoted = rb_reg_s_quote(Qnil, arg);
rb_reg_s_quote   3056 re.c           		v = rb_reg_s_quote(Qnil, e);
rb_reg_s_quote   3382 re.c               rb_define_singleton_method(rb_cRegexp, "quote", rb_reg_s_quote, 1);
rb_reg_s_quote   3383 re.c               rb_define_singleton_method(rb_cRegexp, "escape", rb_reg_s_quote, 1);