///
DELETE_COLUMN,
///
+ COPY_ROW,
+ ///
+ COPY_COLUMN,
+ ///
TOGGLE_LINE_TOP,
///
TOGGLE_LINE_BOTTOM,
///
void deleteRow(row_type row);
///
+ void copyRow(BufferParams const &, row_type);
+ ///
void appendColumn(BufferParams const &, idx_type cell);
///
void deleteColumn(col_type column);
///
+ void copyColumn(BufferParams const &, col_type);
+ ///
bool isFirstCellInRow(idx_type cell) const;
///
idx_type getFirstCellInRow(row_type row) const;