From 1fb2f07f0b9ecae2118f480fdb6f3854bedfd612 Mon Sep 17 00:00:00 2001
From: David Aspinall
Date: Mon, 11 Sep 2000 10:40:41 +0000
Subject: Added proof-shell-annotated-prompt-regexp to important settings,
 removed safe default of empty string (now will have error msgs from filter)

---
 generic/proof-config.el | 2 +-
 generic/proof-script.el | 8 ++++++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/generic/proof-config.el b/generic/proof-config.el
index 3ca47c76..1107358c 100644
--- a/generic/proof-config.el
+++ b/generic/proof-config.el
@@ -1434,7 +1434,7 @@ Leave unset if no special characters are being used."
   :type '(choice character (const nil))
   :group 'proof-shell)
 
-(defcustom proof-shell-annotated-prompt-regexp ""
+(defcustom proof-shell-annotated-prompt-regexp nil
   "Regexp matching a (possibly annotated) prompt pattern.
 Output is grabbed between pairs of lines matching this regexp.
 To help matching you may be able to annotate the proof assistant
diff --git a/generic/proof-script.el b/generic/proof-script.el
index ebdfc550..8cbc167a 100644
--- a/generic/proof-script.el
+++ b/generic/proof-script.el
@@ -2805,10 +2805,14 @@ a generic implementation of this."
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
 
+;;
+;; Sanity checks on important settings
+;;
 
 (defvar proof-script-important-settings
-  '(proof-terminal-char
-    proof-comment-start
+  '(proof-shell-annotated-prompt-regexp ; crucial
+    proof-terminal-char			; soon not to be essential
+    proof-comment-start			;
     proof-comment-end
     ; proof-goal-command-regexp	  not needed if proof-goal-command-p is set
     proof-save-command-regexp
-- 
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