Fix math size resolving (#5596)

1 files changed, 9 insertions, 1 deletions

diff --git a/crates/typst-library/src/text/mod.rs b/crates/typst-library/src/text/mod.rs
index ee81e3f2..25ed009e 100644
--- a/crates/typst-library/src/text/mod.rs
+++ b/crates/typst-library/src/text/mod.rs
@@ -50,6 +50,7 @@ use crate::foundations::{
     Resolve, Scope, Set, Smart, StyleChain,
 };
 use crate::layout::{Abs, Axis, Dir, Em, Length, Ratio, Rel};
+use crate::math::{EquationElem, MathSize};
 use crate::model::ParElem;
 use crate::visualize::{Color, Paint, RelativeTo, Stroke};
 use crate::World;
@@ -981,7 +982,14 @@ impl Resolve for TextSize {
     type Output = Abs;
 
     fn resolve(self, styles: StyleChain) -> Self::Output {
-        self.0.resolve(styles)
+        let factor = match EquationElem::size_in(styles) {
+            MathSize::Display | MathSize::Text => 1.0,
+            MathSize::Script => EquationElem::script_scale_in(styles).0 as f64 / 100.0,
+            MathSize::ScriptScript => {
+                EquationElem::script_scale_in(styles).1 as f64 / 100.0
+            }
+        };
+        factor * self.0.resolve(styles)
     }
 }