enum mood_comparator_id {MOOD_COMPARATORS NUM_MOOD_COMPARATORS};
#undef MC
#define MC(a, b) # b,
-const char const *mood_comparators[] = {MOOD_COMPARATORS};
+static const char const *mood_comparators[] = {MOOD_COMPARATORS};
#undef MC
static int parse_mood_comparator(const char *word)