FormatProperties.TextHeightHeight of text in measure or % (e.g. 8 pts or 90%). Example = Paragraph { Span { "Smaller"; TextHeight: 80%; }; Tab; "Regular"; Tab; Span { "Bigger"; TextHeight: 125%; }; Tab; Span { "20 point"; TextHeight: 20pt; };};//============================================================SmallerRegularBigger20 point