void authorsfree(struct authors *);

	struct changeentry *e;

		e = &s->entries[i];
		c = &e->change;

		c = &s->entries[i].change;

authorsfree(struct authors *authors)
{
	size_t i, j;
	struct author *author;
	for (i = 0; i < authors->len; i++) {
		author = &authors->map[i];
		for (j = 0; j < author->len; j++) {
			free(author->entries[j].key);
			free(author->entries[j].value);
		}
		free(author->entries);
	}
	free(authors->map);
}
void

	free(h->header.message);
	if (h->header.description)
		free(h->header.description);
	free(h->header.timestamp);
	authorsfree(&h->header.authors);