if (query->omit_excluded_messages)
final_query = Xapian::Query (Xapian::Query::OP_AND_NOT,
final_query, exclude_query);
else {
if (query->omit_excluded_messages)
final_query = Xapian::Query (Xapian::Query::OP_AND_NOT,
final_query, exclude_query);
else {