src/HOL/Fun.thy
changeset 69605 a96320074298
parent 69593 3dda49e08b9d
child 69661 a03a63b81f44
--- a/src/HOL/Fun.thy	Sun Jan 06 13:44:33 2019 +0100
+++ b/src/HOL/Fun.thy	Sun Jan 06 15:04:34 2019 +0100
@@ -886,7 +886,7 @@
 
 subsubsection \<open>Functorial structure of types\<close>
 
-ML_file "Tools/functor.ML"
+ML_file \<open>Tools/functor.ML\<close>
 
 functor map_fun: map_fun
   by (simp_all add: fun_eq_iff)