vector<string>::const_iterator it = nformat.begin();
for (; it != nformat.end(); ++it) {
for (Formats::const_iterator fit = begin; fit != end; ++fit) {
vector<string>::const_iterator it = nformat.begin();
for (; it != nformat.end(); ++it) {
for (Formats::const_iterator fit = begin; fit != end; ++fit) {