From 433b0ae342f972ac180dfd2d8ba871fb4431f906 Mon Sep 17 00:00:00 2001
From: David Aspinall
Date: Thu, 25 May 2000 17:44:00 +0000
Subject: When button enablers disabled, don't use itimer or after-change hook.

---
 generic/proof-toolbar.el | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/generic/proof-toolbar.el b/generic/proof-toolbar.el
index aff55653..ea61d1eb 100644
--- a/generic/proof-toolbar.el
+++ b/generic/proof-toolbar.el
@@ -192,6 +192,8 @@ to the default toolbar."
 	    (setq proof-toolbar (mapcar 'eval proof-toolbar-button-list))
 	    ;; Ensure current buffer will display this toolbar
 	    (set-specifier default-toolbar proof-toolbar (current-buffer))
+	    (if proof-toolbar-use-button-enablers
+	    (progn
 	    ;; Set the callback for updating the enablers
 	    (add-hook 'proof-state-change-hook 'proof-toolbar-refresh)
 	    ;; Also call it whenever text changes in this buffer,
@@ -207,7 +209,9 @@ to the default toolbar."
 				0.5		 ; repeated
 				t		 ; count idle time
 				t		 ; pass argument
-				(current-buffer)))) ;  - current buffer
+				(current-buffer))))) ;  - current buffer
+	    ;; Attempt to refresh to display toolbar
+	    (sit-for 0))
 	;; Disabling toolbar: remove specifier, hooks, timer.
 	(remove-specifier default-toolbar (current-buffer))
 	(remove-hook 'proof-state-change-hook 'proof-toolbar-refresh)
-- 
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