- pos_type const start = row_.pos();
- pos_type end = row_.endpos();
-
- if (par_.size() == end) {
- // this is the last row of the paragraph;
- // thus, we must also consider the imaginary end-of-par character
- end++;
- }
-
- if (start == end || !par_.isChanged(start, end))
- return;
-
- int const height = text_metrics_.isLastRow(row_)