// A second latex run is needed.
FileName const idxfile(changeExtension(file.absFilename(), ".idx"));
rerun = fs::exists(idxfile.toFilesystemEncoding()) &&
// A second latex run is needed.
FileName const idxfile(changeExtension(file.absFilename(), ".idx"));
rerun = fs::exists(idxfile.toFilesystemEncoding()) &&