diff --git a/tests/snapshots/output/changes.snapshot.txt b/tests/snapshots/output/changes.snapshot.txt
index be701958..73520d6f 100644
--- a/tests/snapshots/output/changes.snapshot.txt
+++ b/tests/snapshots/output/changes.snapshot.txt
@@ -10,7 +10,7 @@ _ fn main() {
 ~         "The perimeter of the rectangle is {} pixels.",
 ~         perimeter(&rect1)
       );
-+     println!(r#"This line contains invalid utf8:  "øˆ€€€"#;
++     println!(r#"This line contains invalid utf8:  "�����"#;
   }
   
   fn area(rectangle: &Rectangle) -> u32 {
diff --git a/tests/snapshots/output/changes_grid.snapshot.txt b/tests/snapshots/output/changes_grid.snapshot.txt
index fe6f4730..83e75583 100644
--- a/tests/snapshots/output/changes_grid.snapshot.txt
+++ b/tests/snapshots/output/changes_grid.snapshot.txt
@@ -10,7 +10,7 @@ _ │ fn main() {
 ~ │         "The perimeter of the rectangle is {} pixels.",
 ~ │         perimeter(&rect1)
   │     );
-+ │     println!(r#"This line contains invalid utf8:  "øˆ€€€"#;
++ │     println!(r#"This line contains invalid utf8:  "�����"#;
   │ }
   │ 
   │ fn area(rectangle: &Rectangle) -> u32 {
diff --git a/tests/snapshots/output/changes_grid_header.snapshot.txt b/tests/snapshots/output/changes_grid_header.snapshot.txt
index 4f1ed4d8..0a32baa8 100644
--- a/tests/snapshots/output/changes_grid_header.snapshot.txt
+++ b/tests/snapshots/output/changes_grid_header.snapshot.txt
@@ -13,7 +13,7 @@ _ │ fn main() {
 ~ │         "The perimeter of the rectangle is {} pixels.",
 ~ │         perimeter(&rect1)
   │     );
-+ │     println!(r#"This line contains invalid utf8:  "øˆ€€€"#;
++ │     println!(r#"This line contains invalid utf8:  "�����"#;
   │ }
   │ 
   │ fn area(rectangle: &Rectangle) -> u32 {
diff --git a/tests/snapshots/output/changes_grid_header_numbers.snapshot.txt b/tests/snapshots/output/changes_grid_header_numbers.snapshot.txt
index 6c17a73e..221306da 100644
--- a/tests/snapshots/output/changes_grid_header_numbers.snapshot.txt
+++ b/tests/snapshots/output/changes_grid_header_numbers.snapshot.txt
@@ -13,7 +13,7 @@
   10 ~ │         "The perimeter of the rectangle is {} pixels.",
   11 ~ │         perimeter(&rect1)
   12   │     );
-  13 + │     println!(r#"This line contains invalid utf8:  "øˆ€€€"#;
+  13 + │     println!(r#"This line contains invalid utf8:  "�����"#;
   14   │ }
   15   │ 
   16   │ fn area(rectangle: &Rectangle) -> u32 {
diff --git a/tests/snapshots/output/changes_grid_numbers.snapshot.txt b/tests/snapshots/output/changes_grid_numbers.snapshot.txt
index 996dee23..1e1789ee 100644
--- a/tests/snapshots/output/changes_grid_numbers.snapshot.txt
+++ b/tests/snapshots/output/changes_grid_numbers.snapshot.txt
@@ -10,7 +10,7 @@
   10 ~ │         "The perimeter of the rectangle is {} pixels.",
   11 ~ │         perimeter(&rect1)
   12   │     );
-  13 + │     println!(r#"This line contains invalid utf8:  "øˆ€€€"#;
+  13 + │     println!(r#"This line contains invalid utf8:  "�����"#;
   14   │ }
   15   │ 
   16   │ fn area(rectangle: &Rectangle) -> u32 {
diff --git a/tests/snapshots/output/changes_header.snapshot.txt b/tests/snapshots/output/changes_header.snapshot.txt
index 52155151..8d1d1b8a 100644
--- a/tests/snapshots/output/changes_header.snapshot.txt
+++ b/tests/snapshots/output/changes_header.snapshot.txt
@@ -11,7 +11,7 @@ _ fn main() {
 ~         "The perimeter of the rectangle is {} pixels.",
 ~         perimeter(&rect1)
       );
-+     println!(r#"This line contains invalid utf8:  "øˆ€€€"#;
++     println!(r#"This line contains invalid utf8:  "�����"#;
   }
   
   fn area(rectangle: &Rectangle) -> u32 {
diff --git a/tests/snapshots/output/changes_header_numbers.snapshot.txt b/tests/snapshots/output/changes_header_numbers.snapshot.txt
index 671e9508..ddc32872 100644
--- a/tests/snapshots/output/changes_header_numbers.snapshot.txt
+++ b/tests/snapshots/output/changes_header_numbers.snapshot.txt
@@ -11,7 +11,7 @@
   10 ~         "The perimeter of the rectangle is {} pixels.",
   11 ~         perimeter(&rect1)
   12       );
-  13 +     println!(r#"This line contains invalid utf8:  "øˆ€€€"#;
+  13 +     println!(r#"This line contains invalid utf8:  "�����"#;
   14   }
   15   
   16   fn area(rectangle: &Rectangle) -> u32 {
diff --git a/tests/snapshots/output/changes_numbers.snapshot.txt b/tests/snapshots/output/changes_numbers.snapshot.txt
index 5637c013..298ee617 100644
--- a/tests/snapshots/output/changes_numbers.snapshot.txt
+++ b/tests/snapshots/output/changes_numbers.snapshot.txt
@@ -10,7 +10,7 @@
   10 ~         "The perimeter of the rectangle is {} pixels.",
   11 ~         perimeter(&rect1)
   12       );
-  13 +     println!(r#"This line contains invalid utf8:  "øˆ€€€"#;
+  13 +     println!(r#"This line contains invalid utf8:  "�����"#;
   14   }
   15   
   16   fn area(rectangle: &Rectangle) -> u32 {
diff --git a/tests/snapshots/output/full.snapshot.txt b/tests/snapshots/output/full.snapshot.txt
index 6c17a73e..221306da 100644
--- a/tests/snapshots/output/full.snapshot.txt
+++ b/tests/snapshots/output/full.snapshot.txt
@@ -13,7 +13,7 @@
   10 ~ │         "The perimeter of the rectangle is {} pixels.",
   11 ~ │         perimeter(&rect1)
   12   │     );
-  13 + │     println!(r#"This line contains invalid utf8:  "øˆ€€€"#;
+  13 + │     println!(r#"This line contains invalid utf8:  "�����"#;
   14   │ }
   15   │ 
   16   │ fn area(rectangle: &Rectangle) -> u32 {
diff --git a/tests/snapshots/output/grid.snapshot.txt b/tests/snapshots/output/grid.snapshot.txt
index 9c707bd8..45917643 100644
--- a/tests/snapshots/output/grid.snapshot.txt
+++ b/tests/snapshots/output/grid.snapshot.txt
@@ -10,7 +10,7 @@ fn main() {
         "The perimeter of the rectangle is {} pixels.",
         perimeter(&rect1)
     );
-    println!(r#"This line contains invalid utf8:  "øˆ€€€"#;
+    println!(r#"This line contains invalid utf8:  "�����"#;
 }
 
 fn area(rectangle: &Rectangle) -> u32 {
diff --git a/tests/snapshots/output/grid_header.snapshot.txt b/tests/snapshots/output/grid_header.snapshot.txt
index 912732e5..fa74ec09 100644
--- a/tests/snapshots/output/grid_header.snapshot.txt
+++ b/tests/snapshots/output/grid_header.snapshot.txt
@@ -13,7 +13,7 @@ fn main() {
         "The perimeter of the rectangle is {} pixels.",
         perimeter(&rect1)
     );
-    println!(r#"This line contains invalid utf8:  "øˆ€€€"#;
+    println!(r#"This line contains invalid utf8:  "�����"#;
 }
 
 fn area(rectangle: &Rectangle) -> u32 {
diff --git a/tests/snapshots/output/grid_header_numbers.snapshot.txt b/tests/snapshots/output/grid_header_numbers.snapshot.txt
index 57fb1023..733b9848 100644
--- a/tests/snapshots/output/grid_header_numbers.snapshot.txt
+++ b/tests/snapshots/output/grid_header_numbers.snapshot.txt
@@ -13,7 +13,7 @@
   10 │         "The perimeter of the rectangle is {} pixels.",
   11 │         perimeter(&rect1)
   12 │     );
-  13 │     println!(r#"This line contains invalid utf8:  "øˆ€€€"#;
+  13 │     println!(r#"This line contains invalid utf8:  "�����"#;
   14 │ }
   15 │ 
   16 │ fn area(rectangle: &Rectangle) -> u32 {
diff --git a/tests/snapshots/output/grid_numbers.snapshot.txt b/tests/snapshots/output/grid_numbers.snapshot.txt
index 93a0d9e9..c7d8fb13 100644
--- a/tests/snapshots/output/grid_numbers.snapshot.txt
+++ b/tests/snapshots/output/grid_numbers.snapshot.txt
@@ -10,7 +10,7 @@
   10 │         "The perimeter of the rectangle is {} pixels.",
   11 │         perimeter(&rect1)
   12 │     );
-  13 │     println!(r#"This line contains invalid utf8:  "øˆ€€€"#;
+  13 │     println!(r#"This line contains invalid utf8:  "�����"#;
   14 │ }
   15 │ 
   16 │ fn area(rectangle: &Rectangle) -> u32 {
diff --git a/tests/snapshots/output/header.snapshot.txt b/tests/snapshots/output/header.snapshot.txt
index ade4e94f..6b9b5701 100644
--- a/tests/snapshots/output/header.snapshot.txt
+++ b/tests/snapshots/output/header.snapshot.txt
@@ -11,7 +11,7 @@ fn main() {
         "The perimeter of the rectangle is {} pixels.",
         perimeter(&rect1)
     );
-    println!(r#"This line contains invalid utf8:  "øˆ€€€"#;
+    println!(r#"This line contains invalid utf8:  "�����"#;
 }
 
 fn area(rectangle: &Rectangle) -> u32 {
diff --git a/tests/snapshots/output/header_numbers.snapshot.txt b/tests/snapshots/output/header_numbers.snapshot.txt
index 78f5d084..4d445b5f 100644
--- a/tests/snapshots/output/header_numbers.snapshot.txt
+++ b/tests/snapshots/output/header_numbers.snapshot.txt
@@ -11,7 +11,7 @@
   10         "The perimeter of the rectangle is {} pixels.",
   11         perimeter(&rect1)
   12     );
-  13     println!(r#"This line contains invalid utf8:  "øˆ€€€"#;
+  13     println!(r#"This line contains invalid utf8:  "�����"#;
   14 }
   15 
   16 fn area(rectangle: &Rectangle) -> u32 {
diff --git a/tests/snapshots/output/numbers.snapshot.txt b/tests/snapshots/output/numbers.snapshot.txt
index 25d2a3b9..90ca33c5 100644
--- a/tests/snapshots/output/numbers.snapshot.txt
+++ b/tests/snapshots/output/numbers.snapshot.txt
@@ -10,7 +10,7 @@
   10         "The perimeter of the rectangle is {} pixels.",
   11         perimeter(&rect1)
   12     );
-  13     println!(r#"This line contains invalid utf8:  "øˆ€€€"#;
+  13     println!(r#"This line contains invalid utf8:  "�����"#;
   14 }
   15 
   16 fn area(rectangle: &Rectangle) -> u32 {
diff --git a/tests/snapshots/output/plain.snapshot.txt b/tests/snapshots/output/plain.snapshot.txt
index e2ee1dff..30cbdde6 100644
--- a/tests/snapshots/output/plain.snapshot.txt
+++ b/tests/snapshots/output/plain.snapshot.txt
@@ -10,7 +10,7 @@ fn main() {
         "The perimeter of the rectangle is {} pixels.",
         perimeter(&rect1)
     );
-    println!(r#"This line contains invalid utf8:  "øˆ€€€"#;
+    println!(r#"This line contains invalid utf8:  "�����"#;
 }
 
 fn area(rectangle: &Rectangle) -> u32 {
@@ -23,14 +23,14 @@ fn perimeter(rectangle: &Rectangle) -> u32 {
 
 // Tab alignment:
 /*
-        Indent
-        1       2       3       4
-1       ?
-22      ?
-333     ?
-4444    ?
-55555   ?
-666666  ?
-7777777 ?
-88888888        ?
+	Indent
+	1	2	3	4
+1	?
+22	?
+333	?
+4444	?
+55555	?
+666666	?
+7777777	?
+88888888	?
 */
diff --git a/tests/snapshots/output/tabs_4.snapshot.txt b/tests/snapshots/output/tabs_4.snapshot.txt
index 9e667b0b..87689c7b 100644
--- a/tests/snapshots/output/tabs_4.snapshot.txt
+++ b/tests/snapshots/output/tabs_4.snapshot.txt
@@ -13,7 +13,7 @@
   10 ~ │         "The perimeter of the rectangle is {} pixels.",
   11 ~ │         perimeter(&rect1)
   12   │     );
-  13 + │     println!(r#"This line contains invalid utf8:  "øˆ€€€"#;
+  13 + │     println!(r#"This line contains invalid utf8:  "�����"#;
   14   │ }
   15   │ 
   16   │ fn area(rectangle: &Rectangle) -> u32 {
diff --git a/tests/snapshots/output/tabs_4_wrapped.snapshot.txt b/tests/snapshots/output/tabs_4_wrapped.snapshot.txt
index 9e667b0b..87689c7b 100644
--- a/tests/snapshots/output/tabs_4_wrapped.snapshot.txt
+++ b/tests/snapshots/output/tabs_4_wrapped.snapshot.txt
@@ -13,7 +13,7 @@
   10 ~ │         "The perimeter of the rectangle is {} pixels.",
   11 ~ │         perimeter(&rect1)
   12   │     );
-  13 + │     println!(r#"This line contains invalid utf8:  "øˆ€€€"#;
+  13 + │     println!(r#"This line contains invalid utf8:  "�����"#;
   14   │ }
   15   │ 
   16   │ fn area(rectangle: &Rectangle) -> u32 {
diff --git a/tests/snapshots/output/tabs_8.snapshot.txt b/tests/snapshots/output/tabs_8.snapshot.txt
index 6c17a73e..221306da 100644
--- a/tests/snapshots/output/tabs_8.snapshot.txt
+++ b/tests/snapshots/output/tabs_8.snapshot.txt
@@ -13,7 +13,7 @@
   10 ~ │         "The perimeter of the rectangle is {} pixels.",
   11 ~ │         perimeter(&rect1)
   12   │     );
-  13 + │     println!(r#"This line contains invalid utf8:  "øˆ€€€"#;
+  13 + │     println!(r#"This line contains invalid utf8:  "�����"#;
   14   │ }
   15   │ 
   16   │ fn area(rectangle: &Rectangle) -> u32 {
diff --git a/tests/snapshots/output/tabs_8_wrapped.snapshot.txt b/tests/snapshots/output/tabs_8_wrapped.snapshot.txt
index 6c17a73e..221306da 100644
--- a/tests/snapshots/output/tabs_8_wrapped.snapshot.txt
+++ b/tests/snapshots/output/tabs_8_wrapped.snapshot.txt
@@ -13,7 +13,7 @@
   10 ~ │         "The perimeter of the rectangle is {} pixels.",
   11 ~ │         perimeter(&rect1)
   12   │     );
-  13 + │     println!(r#"This line contains invalid utf8:  "øˆ€€€"#;
+  13 + │     println!(r#"This line contains invalid utf8:  "�����"#;
   14   │ }
   15   │ 
   16   │ fn area(rectangle: &Rectangle) -> u32 {
diff --git a/tests/snapshots/output/tabs_passthrough.snapshot.txt b/tests/snapshots/output/tabs_passthrough.snapshot.txt
index 2b9a1332..3ad018a1 100644
--- a/tests/snapshots/output/tabs_passthrough.snapshot.txt
+++ b/tests/snapshots/output/tabs_passthrough.snapshot.txt
@@ -13,7 +13,7 @@
   10 ~ │         "The perimeter of the rectangle is {} pixels.",
   11 ~ │         perimeter(&rect1)
   12   │     );
-  13 + │     println!(r#"This line contains invalid utf8:  "øˆ€€€"#;
+  13 + │     println!(r#"This line contains invalid utf8:  "�����"#;
   14   │ }
   15   │ 
   16   │ fn area(rectangle: &Rectangle) -> u32 {
diff --git a/tests/snapshots/output/tabs_passthrough_wrapped.snapshot.txt b/tests/snapshots/output/tabs_passthrough_wrapped.snapshot.txt
index 2b9a1332..3ad018a1 100644
--- a/tests/snapshots/output/tabs_passthrough_wrapped.snapshot.txt
+++ b/tests/snapshots/output/tabs_passthrough_wrapped.snapshot.txt
@@ -13,7 +13,7 @@
   10 ~ │         "The perimeter of the rectangle is {} pixels.",
   11 ~ │         perimeter(&rect1)
   12   │     );
-  13 + │     println!(r#"This line contains invalid utf8:  "øˆ€€€"#;
+  13 + │     println!(r#"This line contains invalid utf8:  "�����"#;
   14   │ }
   15   │ 
   16   │ fn area(rectangle: &Rectangle) -> u32 {