list<dcp::SubtitleString> out;
for (list<sub::Line>::const_iterator i = _subtitles[_next].lines.begin(); i != _subtitles[_next].lines.end(); ++i) {
for (list<sub::Block>::const_iterator j = i->blocks.begin(); j != i->blocks.end(); ++j) {
list<dcp::SubtitleString> out;
for (list<sub::Line>::const_iterator i = _subtitles[_next].lines.begin(); i != _subtitles[_next].lines.end(); ++i) {
for (list<sub::Block>::const_iterator j = i->blocks.begin(); j != i->blocks.end(); ++j) {