clarified options, following e.g. "show_consts";
--- a/etc/options Mon Sep 05 21:59:05 2022 +0200
+++ b/etc/options Mon Sep 05 22:47:09 2022 +0200
@@ -59,6 +59,8 @@
option show_consts : bool = false
-- "show constants with types when printing proof state"
+option show_goal_inst : bool = false
+ -- "show goal instantiation (for schematic goals)"
option show_main_goal : bool = false
-- "show main goal when printing proof state"
option goals_limit : int = 10
--- a/src/Pure/Isar/proof_display.ML Mon Sep 05 21:59:05 2022 +0200
+++ b/src/Pure/Isar/proof_display.ML Mon Sep 05 22:47:09 2022 +0200
@@ -248,7 +248,7 @@
(* goal instantiation *)
-val show_goal_inst = Attrib.setup_config_bool \<^binding>\<open>show_goal_inst\<close> (K false);
+val show_goal_inst = Attrib.setup_option_bool ("show_goal_inst", \<^here>);
fun pretty_goal_inst ctxt propss goal =
let