Strip all leading/trailing newlines

src/librustdoc/html/item_type.rs

@@ -111,4 +111,3 @@ impl fmt::Display for ItemType {
         self.to_static_str().fmt(f)
     }
 }
-

src/librustdoc/html/static/playpen.js

@@ -25,4 +25,3 @@
         });
     }
 }());
-