CHECK_CHARACTER_CAR  344 src/category.c       CHECK_CHARACTER_CAR (character);
CHECK_CHARACTER_CAR  597 src/chartab.c        CHECK_CHARACTER_CAR (range);
CHECK_CHARACTER_CAR  632 src/chartab.c        CHECK_CHARACTER_CAR (range);
CHECK_CHARACTER_CAR 1259 src/syntax.c         CHECK_CHARACTER_CAR (c);