src/HOL/Prolog/HOHH.thy
changeset 69605 a96320074298
parent 66453 cc19f7ca2ed6
child 76091 922e3f9251ac
--- a/src/HOL/Prolog/HOHH.thy	Sun Jan 06 13:44:33 2019 +0100
+++ b/src/HOL/Prolog/HOHH.thy	Sun Jan 06 15:04:34 2019 +0100
@@ -8,7 +8,7 @@
 imports HOL.HOL
 begin
 
-ML_file "prolog.ML"
+ML_file \<open>prolog.ML\<close>
 
 method_setup ptac =
   \<open>Attrib.thms >> (fn thms => fn ctxt => SIMPLE_METHOD' (Prolog.ptac ctxt thms))\<close>