diff --git a/src/diff/sliders.rs b/src/diff/sliders.rs
index e8227b0be..adc7102bb 100644
--- a/src/diff/sliders.rs
+++ b/src/diff/sliders.rs
@@ -64,10 +64,9 @@ fn prefer_outer_delimiter(language: guess_language::Language) -> bool {
         // languages have syntax like `foo(bar)` or `foo[bar]` where
         // the inner delimiter is more relevant.
         Bash | C | CPlusPlus | CSharp | Css | Dart | Elixir | Elm | Elvish | Gleam | Go
-        | Haskell | Html | Java | JavaScript | Jsx | Kotlin | Lua | Nix | OCaml | OCamlInterface
-        | Perl | Php | Python | Ruby | Rust | Scala | Swift | Tsx | TypeScript | Yaml | Zig => {
-            false
-        }
+        | Haskell | Html | Java | JavaScript | Jsx | Kotlin | Lua | Nix | OCaml
+        | OCamlInterface | Perl | Php | Python | Ruby | Rust | Scala | Swift | Tsx | TypeScript
+        | Yaml | Zig => false,
     }
 }
 
diff --git a/src/display/side_by_side.rs b/src/display/side_by_side.rs
index e9b7f37c9..31a890a19 100644
--- a/src/display/side_by_side.rs
+++ b/src/display/side_by_side.rs
@@ -520,7 +520,8 @@ pub fn print(
                             display_options.use_color,
                         );
                         if let Some(line_num) = lhs_line_num {
-                            if display_options.use_color && lhs_lines_with_novel.contains(line_num) {
+                            if display_options.use_color && lhs_lines_with_novel.contains(line_num)
+                            {
                                 s = if display_options.background_color.is_dark() {
                                     s.bright_red().to_string()
                                 } else {
@@ -541,7 +542,8 @@ pub fn print(
                             display_options.use_color,
                         );
                         if let Some(line_num) = rhs_line_num {
-                            if display_options.use_color && rhs_lines_with_novel.contains(line_num) {
+                            if display_options.use_color && rhs_lines_with_novel.contains(line_num)
+                            {
                                 s = if display_options.background_color.is_dark() {
                                     s.bright_green().to_string()
                                 } else {
diff --git a/src/display/style.rs b/src/display/style.rs
index 927f0f4fb..40be8f783 100644
--- a/src/display/style.rs
+++ b/src/display/style.rs
@@ -10,7 +10,7 @@ use crate::{
 use owo_colors::{OwoColorize, Style};
 use rustc_hash::FxHashMap;
 use std::cmp::{max, min};
-use unicode_width::{UnicodeWidthStr, UnicodeWidthChar};
+use unicode_width::{UnicodeWidthChar, UnicodeWidthStr};
 
 #[derive(Clone, Copy, Debug)]
 pub enum BackgroundColor {
@@ -32,18 +32,22 @@ fn substring_by_width(s: &str, start: usize, end: usize) -> &str {
 
     assert!(end > start);
 
-    let mut idx_width_iter = s.char_indices()
+    let mut idx_width_iter = s
+        .char_indices()
         .scan(0, |w, (idx, ch)| {
-          let before = *w;
-          *w += ch.width().unwrap_or(0);
-          Some((idx, before, *w))
+            let before = *w;
+            *w += ch.width().unwrap_or(0);
+            Some((idx, before, *w))
         })
         .skip_while(|(_, before, _)| *before < start);
     let byte_start = idx_width_iter
         .next()
         .expect("Expected a width index inside `s`.")
         .0;
-    match idx_width_iter.skip_while(|(_, _, after)| *after <= end).next() {
+    match idx_width_iter
+        .skip_while(|(_, _, after)| *after <= end)
+        .next()
+    {
         Some(byte_end) => &s[byte_start..byte_end.0],
         None => &s[byte_start..],
     }
@@ -69,21 +73,17 @@ fn split_string_by_width(s: &str, max_width: usize, pad: bool) -> Vec<(&str, usi
         let l = substring_by_width(s, 0, max_width);
         let used = l.width();
         let padding = if pad && used < max_width {
-          // a fullwidth char is followed
-          1
+            // a fullwidth char is followed
+            1
         } else {
-          0
+            0
         };
         res.push((l, padding));
         s = substring_by_width(s, used, s.width());
     }
 
     if res.is_empty() || !s.is_empty() {
-        let padding = if pad {
-            max_width - s.width()
-        } else {
-            0
-        };
+        let padding = if pad { max_width - s.width() } else { 0 };
         res.push((s, padding));
     }