NEWS
changeset 81963 e3a8379a9884
parent 81892 f1d520cd7575
parent 81960 326ecfc079a6
child 81965 3d518681bb6c
--- a/NEWS	Thu Jan 23 13:42:58 2025 +0100
+++ b/NEWS	Fri Jan 24 10:22:17 2025 +0100
@@ -324,6 +324,10 @@
 Variable.variant_names or Variable.focus_params, instead of
 Logic.goal_params etc.
 
+* Antiquotation \<^instantiate>\<open>(no_beta) x = t in \<dots>\<close> is like
+\<^instantiate>\<open>x = t in \<dots>\<close>, but without implicit beta-normalization.
+This is occasionally useful for low-level applications.
+
 * Antiquotation \<^bundle>\<open>name\<close> inlines a formally checked bundle name.
 
 * The new operation Pattern.rewrite_term_yoyo alternates top-down,