Added initial support for inline diff highlighting

examples/terminal.rs

@@ -14,11 +14,7 @@ fn main() {
                 ChangeTag::Insert => ("+", Style::new().green()),
                 ChangeTag::Equal => (" ", Style::new()),
             };
-            print!(
-                "{}{}",
-                style.apply_to(sign).bold(),
-                style.apply_to(change.value())
-            );
+            print!("{}{}", style.apply_to(sign).bold(), style.apply_to(change),);
         }
     }
 }