--- a/src/HOL/Nominal/Examples/Fsub.thy Mon Sep 23 21:09:23 2024 +0200
+++ b/src/HOL/Nominal/Examples/Fsub.thy Mon Sep 23 22:33:37 2024 +0200
@@ -17,7 +17,7 @@
section \<open>Types for Names, Nominal Datatype Declaration for Types and Terms\<close>
no_syntax
- "_Map" :: "maplets => 'a \<rightharpoonup> 'b" (\<open>(1[_])\<close>)
+ "_Map" :: "maplets => 'a \<rightharpoonup> 'b" (\<open>(\<open>indent=1 notation=\<open>mixfix maplets\<close>\<close>[_])\<close>)
text \<open>The main point of this solution is to use names everywhere (be they bound,
binding or free). In System \FSUB{} there are two kinds of names corresponding to