--- a/src/HOL/Library/Tree_Real.thy Wed Jan 10 15:21:49 2018 +0100 +++ b/src/HOL/Library/Tree_Real.thy Wed Jan 10 15:25:09 2018 +0100 @@ -114,4 +114,4 @@ thus ?case by(simp add: balanced_Node_if_wbal2) qed -end \ No newline at end of file +end