CounterList::iterator it = counterList.find(ctr);
if (it == counterList.end()) {
lyxerr << "Counter does not exist." << endl;
- return "";
+ return string();
}
if (!first) {
- s << "." << value(ctr);
+ s << '.' << value(ctr);
} else {
if (numbertype == "sectioning" || numbertype == "appendix") {
if (numbertype == "appendix") {