Wrapping with parens should not push superscripts higher (#4545)

Co-authored-by: Laurenz <laurmaedje@gmail.com>

1 files changed, 12 insertions, 3 deletions

diff --git a/crates/typst/src/math/row.rs b/crates/typst/src/math/row.rs
index 5234ca2c..60afe64e 100644
--- a/crates/typst/src/math/row.rs
+++ b/crates/typst/src/math/row.rs
@@ -159,10 +159,19 @@ impl MathRun {
 
     pub fn into_fragment(self, ctx: &MathContext, styles: StyleChain) -> MathFragment {
         if self.0.len() == 1 {
-            self.0.into_iter().next().unwrap()
-        } else {
-            FrameFragment::new(ctx, styles, self.into_frame(ctx, styles)).into()
+            return self.0.into_iter().next().unwrap();
         }
+
+        // Fragments without a math_size are ignored: the notion of size do not
+        // apply to them, so their text-likeness is meaningless.
+        let text_like = self
+            .iter()
+            .filter(|e| e.math_size().is_some())
+            .all(|e| e.is_text_like());
+
+        FrameFragment::new(ctx, styles, self.into_frame(ctx, styles))
+            .with_text_like(text_like)
+            .into()
     }
 
     /// Returns a builder that lays out the [`MathFragment`]s into a possibly