Fix text show-set regression (#3410)

3 files changed, 46 insertions, 1 deletions

diff --git a/crates/typst/src/realize/process.rs b/crates/typst/src/realize/process.rs
index 73d5cc4f..a5acd8fc 100644
--- a/crates/typst/src/realize/process.rs
+++ b/crates/typst/src/realize/process.rs
@@ -129,7 +129,11 @@ fn verdict<'a>(
             continue;
         }
 
-        if let Transformation::Style(transform) = &recipe.transform {
+        // Special handling for show-set rules. Exception: Regex show rules,
+        // those need to be handled like normal transformations.
+        if let (Transformation::Style(transform), false) =
+            (&recipe.transform, matches!(&recipe.selector, Some(Selector::Regex(_))))
+        {
             // If this is a show-set for an unprepared element, we need to apply
             // it.
             if !prepared {
diff --git a/tests/ref/compiler/show-set-text.png b/tests/ref/compiler/show-set-text.png
new file mode 100644
index 00000000..27803e8a
--- /dev/null
+++ b/tests/ref/compiler/show-set-text.png
diff --git a/tests/typ/compiler/show-set-text.typ b/tests/typ/compiler/show-set-text.typ
new file mode 100644
index 00000000..464cad90
--- /dev/null
+++ b/tests/typ/compiler/show-set-text.typ
@@ -0,0 +1,41 @@
+// Text show-set rules are weird.
+
+---
+#show "He": set text(red)
+#show "ya": set text(blue)
+Heya
+
+---
+#show "Heya": set text(red)
+#show   "ya": set text(blue)
+Heya
+
+---
+#show "He": set text(red)
+#show "Heya": set text(blue)
+Heya
+
+---
+#show "Heya": set text(red)
+#show   "yaho": set text(blue)
+Heyaho
+
+---
+#show "He": set text(red)
+#show "ya": set text(weight: "bold")
+Heya
+
+---
+#show "Heya": set text(red)
+#show   "ya": set text(weight: "bold")
+Heya
+
+---
+#show "He": set text(red)
+#show "Heya": set text(weight: "bold")
+Heya
+
+---
+#show "Heya": set text(red)
+#show   "yaho": set text(weight: "bold")
+Heyaho