232     short	*cont_in_list;	// group IDs for "containedin" argument  member
2269 		    sps.cont_in_list = NULL;  in syn_current_attr()
2285 		    sps.cont_in_list = NULL;  in syn_current_attr()
3640 	vim_free(SYN_ITEMS(block)[i].sp_syn.cont_in_list);  in syn_clear_pattern()
4062 	if (spp->sp_syn.cont_in_list != NULL)  in syn_list_one()
4064 					      spp->sp_syn.cont_in_list, attr);  in syn_list_one()
4288 			    || prev_cont_in_list != kp->k_syn.cont_in_list  in syn_list_keywords()
4310 		    if (kp->k_syn.cont_in_list != prev_cont_in_list)  in syn_list_keywords()
4313 						kp->k_syn.cont_in_list, attr);  in syn_list_keywords()
4315 			prev_cont_in_list = kp->k_syn.cont_in_list;  in syn_list_keywords()
4382 		    vim_free(kp->k_syn.cont_in_list);  in syn_clear_keyword()
4418 		vim_free(kp->k_syn.cont_in_list);  in clear_keywtab()
4435     short	*cont_in_list, // containedin for this keyword  in add_keyword()  argument
4459     kp->k_syn.cont_in_list = copy_id_list(cont_in_list);  in add_keyword()
4460     if (cont_in_list != NULL)  in add_keyword()
4611 	    if (get_id_list(&arg, 11, &opt->cont_in_list, skip) == FAIL)  in get_syn_options()
4838 	    syn_opt_arg.cont_in_list = NULL;  in syn_cmd_keyword()
4881 				syn_opt_arg.cont_in_list,  in syn_cmd_keyword()
4918 	    vim_free(syn_opt_arg.cont_in_list);  in syn_cmd_keyword()
4962     syn_opt_arg.cont_in_list = NULL;  in syn_cmd_match()
5001 	    SYN_ITEMS(curwin->w_s)[idx].sp_syn.cont_in_list =  in syn_cmd_match()
5002 						     syn_opt_arg.cont_in_list;  in syn_cmd_match()
5006 	    if (syn_opt_arg.cont_in_list != NULL)  in syn_cmd_match()
5031     vim_free(syn_opt_arg.cont_in_list);  in syn_cmd_match()
5091     syn_opt_arg.cont_in_list = NULL;  in syn_cmd_region()
5255 			SYN_ITEMS(curwin->w_s)[idx].sp_syn.cont_in_list =  in syn_cmd_region()
5256 						     syn_opt_arg.cont_in_list;  in syn_cmd_region()
5257 			if (syn_opt_arg.cont_in_list != NULL)  in syn_cmd_region()
5296 	vim_free(syn_opt_arg.cont_in_list);  in syn_cmd_region()
6161     if (cur_si != NULL && ssp->cont_in_list != NULL  in in_id_list()
6170 	if (cur_si->si_idx >= 0 && in_id_list(NULL, ssp->cont_in_list,  in in_id_list()