ri->link = NULL;
if (ri->author_or_creator != NULL) free(ri->author_or_creator);
ri->author_or_creator = NULL;
+ if (ri->author_url != NULL) free(ri->author_url);
+ ri->author_url = NULL;
if (ri->description != NULL) free(ri->description);
ri->description = NULL;
/* Throw away any existing character data */