simple_monster_message(monster, " appears out of thin air!");

            simple_monster_message(monster, " appears out of thin air!",
                                   MSGCH_PLAIN, 0, DESC_CAP_A);

                            int channel = MSGCH_PLAIN, int param = 0);

                            int channel = MSGCH_PLAIN, int param = 0,
                            description_level_type descrip = DESC_CAP_THE);

                            int channel, int param)

                            int channel, int param,
                            description_level_type descrip)

                  ptr_monam(monster, DESC_CAP_THE), event );

                  ptr_monam(monster, descrip), event );