+MathRow const & BufferView::mathRow(MathData const * cell) const
+{
+ auto it = d->math_rows_.find(cell);
+ LATTEST(it != d->math_rows_.end());
+ return it->second;
+}
+
+
+void BufferView::setMathRow(MathData const * cell, MathRow const & mrow)
+{
+ d->math_rows_[cell] = mrow;
+}
+
+