diff -r 1a9decb8bfbc -r ae9e6218443d src/HOL/Library/Code_Test.thy
--- a/src/HOL/Library/Code_Test.thy	Mon Apr 10 23:21:47 2023 +0200
+++ b/src/HOL/Library/Code_Test.thy	Tue Apr 11 11:59:02 2023 +0000
@@ -4,6 +4,8 @@
 Test infrastructure for the code generator.
 *)
 
+section \<open>Test infrastructure for the code generator\<close>
+
 theory Code_Test
 imports Main
 keywords "test_code" :: diag