Updated snapshots.

tests/snapshots/output/grid_header.snapshot.txt

@@ -0,0 +1,40 @@
+────────────────────────────────────────────────────────────────────────────────
+File: sample.rs
+────────────────────────────────────────────────────────────────────────────────
+struct Rectangle {
+    width: u32,
+    height: u32,
+}
+
+fn main() {
+    let rect1 = Rectangle { width: 30, height: 50 };
+
+    println!(
+        "The perimeter of the rectangle is {} pixels.",
+        perimeter(&rect1)
+    );
+    println!(r#"This line contains invalid utf8:  "�����"#;
+}
+
+fn area(rectangle: &Rectangle) -> u32 {
+    rectangle.width * rectangle.height
+}
+
+fn perimeter(rectangle: &Rectangle) -> u32 {
+    (rectangle.width + rectangle.height) * 2
+}
+
+// Tab alignment:
+/*
+        Indent
+        1       2       3       4
+1       ?
+22      ?
+333     ?
+4444    ?
+55555   ?
+666666  ?
+7777777 ?
+88888888        ?
+*/
+────────────────────────────────────────────────────────────────────────────────