diff --git a/src/eval/dict.rs b/src/eval/dict.rs
index bda433e15..6b4dbbd77 100644
--- a/src/eval/dict.rs
+++ b/src/eval/dict.rs
@@ -117,7 +117,7 @@ impl Dict {
 /// The missing key access error message.
 #[cold]
 fn missing_key(key: &EcoString) -> String {
-    format!("dictionary does not contain key: {:?}", key)
+    format!("dictionary does not contain key {:?}", key)
 }
 
 impl Debug for Dict {
diff --git a/tests/ref/style/set-site.png b/tests/ref/style/set.png
similarity index 100%
rename from tests/ref/style/set-site.png
rename to tests/ref/style/set.png
diff --git a/tests/ref/style/show-node.png b/tests/ref/style/show-node.png
new file mode 100644
index 000000000..3a48e3dbc
Binary files /dev/null and b/tests/ref/style/show-node.png differ
diff --git a/tests/ref/style/show-recursive.png b/tests/ref/style/show-recursive.png
new file mode 100644
index 000000000..2c9239b8c
Binary files /dev/null and b/tests/ref/style/show-recursive.png differ
diff --git a/tests/ref/style/show.png b/tests/ref/style/show.png
deleted file mode 100644
index 9539e4965..000000000
Binary files a/tests/ref/style/show.png and /dev/null differ
diff --git a/tests/typ/code/dict.typ b/tests/typ/code/dict.typ
index aa840eb35..23af145f3 100644
--- a/tests/typ/code/dict.typ
+++ b/tests/typ/code/dict.typ
@@ -23,7 +23,7 @@
 // Test rvalue missing key.
 {
   let dict = (a: 1, b: 2)
-  // Error: 11-20 dictionary does not contain key: "c"
+  // Error: 11-20 dictionary does not contain key "c"
   let x = dict("c")
 }
 
diff --git a/tests/typ/code/field.typ b/tests/typ/code/field.typ
index ff1dad9ec..abccaedee 100644
--- a/tests/typ/code/field.typ
+++ b/tests/typ/code/field.typ
@@ -12,7 +12,7 @@
 }
 
 ---
-// Error: 6-13 dictionary does not contain key: "invalid"
+// Error: 6-13 dictionary does not contain key "invalid"
 {(:).invalid}
 
 ---
diff --git a/tests/typ/style/construct.typ b/tests/typ/style/construct.typ
index 890c4b94f..4b0f966a4 100644
--- a/tests/typ/style/construct.typ
+++ b/tests/typ/style/construct.typ
@@ -1,4 +1,4 @@
-// Test class construction.
+// Test node functions.
 
 ---
 // Ensure that constructor styles aren't passed down the tree.
diff --git a/tests/typ/style/set-site.typ b/tests/typ/style/set-site.typ
deleted file mode 100644
index b49d1027d..000000000
--- a/tests/typ/style/set-site.typ
+++ /dev/null
@@ -1,28 +0,0 @@
-// Test that set affects the instantiation site and not the
-// definition site of a content.
-
----
-// Test that text is affected by instantiation-site bold.
-#let x = [World]
-Hello *{x}*
-
----
-// Test that lists are affected by correct indents.
-#let fruit = [
-  - Apple
-  - Orange
-  #list(body-indent: 20pt, [Pear])
-]
-
-- Fruit
-[#set list(indent: 10pt)
- #fruit]
-- No more fruit
-
----
-// Test that that par spacing and text style are respected from
-// the outside, but the more specific fill is respected.
-#set par(spacing: 4pt)
-#set text(style: "italic", fill: eastern)
-#let x = [And the forest #parbreak() lay silent!]
-#text(fill: forest, x)
diff --git a/tests/typ/style/set.typ b/tests/typ/style/set.typ
index 927d8aa6e..249666126 100644
--- a/tests/typ/style/set.typ
+++ b/tests/typ/style/set.typ
@@ -1,5 +1,30 @@
 // General tests for set.
-// Ref: false
+
+---
+// Test that text is affected by instantiation-site bold.
+#let x = [World]
+Hello *{x}*
+
+---
+// Test that lists are affected by correct indents.
+#let fruit = [
+  - Apple
+  - Orange
+  #list(body-indent: 20pt, [Pear])
+]
+
+- Fruit
+[#set list(indent: 10pt)
+ #fruit]
+- No more fruit
+
+---
+// Test that that par spacing and text style are respected from
+// the outside, but the more specific fill is respected.
+#set par(spacing: 4pt)
+#set text(style: "italic", fill: eastern)
+#let x = [And the forest #parbreak() lay silent!]
+#text(fill: forest, x)
 
 ---
 // Error: 2-10 set, show and wrap are only allowed directly in markup
diff --git a/tests/typ/style/show-node.typ b/tests/typ/style/show-node.typ
new file mode 100644
index 000000000..4fcee9aa4
--- /dev/null
+++ b/tests/typ/style/show-node.typ
@@ -0,0 +1,67 @@
+// Test node show rules.
+
+---
+// Override lists.
+#set list(around: none)
+#show v: list as "(" + v.items.join(", ") + ")"
+
+- A
+  - B
+  - C
+- D
+- E
+
+---
+// Test full reset.
+#set heading(size: 1em, strong: false, around: none)
+#show heading as [B]
+A [= Heading] C
+
+---
+// Test full removal.
+#show heading as []
+#set heading(around: none)
+
+Where is
+= There are not headings around here!
+my heading?
+
+---
+// Test integrated example.
+#set heading(size: 1em)
+#show node: heading as {
+  move(dy: -1pt)[📖]
+  h(5pt)
+  if node.level == 1 {
+    underline(text(1.25em, blue, node.body))
+  } else {
+    text(red, node.body)
+  }
+}
+
+= Task 1
+Some text.
+
+== Subtask
+Some more text.
+
+= Task 2
+Another text.
+
+---
+// Error: 18-22 expected content, found string
+#show heading as "hi"
+= Heading
+
+---
+// Error: 25-29 unknown field "page"
+#show it: heading as it.page
+= Heading
+
+---
+// Error: 10-15 this function cannot be customized with show
+#show _: upper as {}
+
+---
+// Error: 2-16 set, show and wrap are only allowed directly in markup
+{show list as a}
diff --git a/tests/typ/style/show-recursive.typ b/tests/typ/style/show-recursive.typ
new file mode 100644
index 000000000..423bbd80b
--- /dev/null
+++ b/tests/typ/style/show-recursive.typ
@@ -0,0 +1,65 @@
+// Test recursive show rules.
+
+---
+// Test basic identity.
+#show it: heading as it
+= Heading
+
+---
+// Test more recipes down the chain.
+#show it: list as scale(origin: left, x: 80%, it)
+#show heading as []
+#show enum as []
+- Actual
+- Tight
+- List
+
+---
+// Test recursive base recipe. (Burn it with fire!)
+#set list(label: [- Hey])
+- Labelless
+- List
+
+---
+// Test show rule in function.
+#let starwars(body) = [
+  #show v: list as {
+    stack(dir: ltr,
+      text(red, v),
+      1fr,
+      scale(x: -100%, text(blue, v)),
+    )
+  }
+  #body
+]
+
+- Normal list
+#starwars[
+  - Star
+  - Wars
+  - List
+]
+- Normal list
+
+---
+// Test multi-recursion with nested lists.
+#set rect(padding: 2pt)
+#show v: list as rect(stroke: blue, v)
+#show v: list as rect(stroke: red, v)
+
+- List
+  - Nested
+  - List
+- Recursive!
+
+---
+// Inner heading is not finalized. Bug?
+#set heading(around: none)
+#show it: heading as it.body
+#show heading as [
+  = A [
+    = B
+  ]
+]
+
+= Discarded
diff --git a/tests/typ/style/show.typ b/tests/typ/style/show.typ
deleted file mode 100644
index a71b8df20..000000000
--- a/tests/typ/style/show.typ
+++ /dev/null
@@ -1,52 +0,0 @@
-// Test show rules.
-
-#set page("a8", footer: p => v(-5pt) + align(right, [#p]))
-
-#let i = 1
-#set heading(size: 1em)
-#show node: heading as {
-  if node.level == 1 {
-    v(10pt)
-    underline(text(1.5em, blue)[{i}. {node.body}])
-    i += 1
-  } else {
-    text(red, node.body)
-  }
-}
-
-#v(-10pt)
-
-= Aufgabe
-Some text.
-
-== Subtask
-Some more text.
-
-== Another subtask
-Some more text.
-
-= Aufgabe
-Another text.
-
----
-#set heading(size: 1em, strong: false, around: none)
-#show _: heading as [B]
-A [= Heading] C
-
----
-// Error: 21-25 expected content, found string
-#show _: heading as "hi"
-= Heading
-
----
-// Error: 22-29 dictionary does not contain key: "page"
-#show it: heading as it.page
-= Heading
-
----
-// Error: 10-15 this function cannot be customized with show
-#show _: upper as {}
-
----
-// Error: 2-19 set, show and wrap are only allowed directly in markup
-{show a: list as a}