--- a/src/HOL/BNF/Tools/bnf_fp_def_sugar.ML Wed Nov 06 22:50:12 2013 +0100
+++ b/src/HOL/BNF/Tools/bnf_fp_def_sugar.ML Wed Nov 06 23:05:44 2013 +0100
@@ -179,7 +179,7 @@
(* TODO: register "sum" and "prod" as datatypes to enable N2M reduction for them *)
fun register_fp_sugar key fp_sugar =
- Local_Theory.declaration {syntax = false, pervasive = false}
+ Local_Theory.declaration {syntax = false, pervasive = true}
(fn phi => Data.map (Symtab.default (key, morph_fp_sugar phi fp_sugar)));
fun register_fp_sugars fp pre_bnfs nested_bnfs nesting_bnfs (fp_res as {Ts, ...}) ctr_defss