/* Then remove anything that's not in a very limited character set */
wstring out;
wstring const allowed = L"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_%.+";
- for (size_t i = 0; i < transliterated_more.length(); ++i) {
+ for (int i = 0; i < transliterated_more.length(); ++i) {
wchar_t c = transliterated_more[i];
if (allowed.find(c) != string::npos) {
out += c;