: os_(os), fragile_(fragile), firstitem_(false), latex_(latex),
output_(output), pendingspace_(false), pendingbrace_(false),
textmode_(false), locked_(0), ascii_(0), canbreakline_(true),
- line_(0), encoding_(encoding),
+ mathsout_(false), line_(0), encoding_(encoding),
row_entry_(make_unique<RowEntry>(TexRow::row_none))
{}