Add use_brackets.

src/types/object.rs

@@ -174,6 +174,7 @@ pub struct Entity<'s> {
     pub ascii: &'s str,
     // Skipping latin1 because it is detrimental to the future. If anyone out there is using latin1, take a long look in the mirror and change your ways.
     pub utf8: &'s str,
+    pub use_brackets: bool,
 }
 
 #[derive(Debug, PartialEq)]