From a7948d3b28c57fea90d8fef6cfc3561d8e0ee607 Mon Sep 17 00:00:00 2001
From: Claudio Sacerdoti Coen <claudio.sacerdoticoen@unibo.it>
Date: Wed, 11 Oct 2006 14:26:59 +0000
Subject: [PATCH] Unlocking the interface was not performed as the last action
 of the callback.

---
 matita/matitaGui.ml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/matita/matitaGui.ml b/matita/matitaGui.ml
index 2a607d9fc..840d057c2 100644
--- a/matita/matitaGui.ml
+++ b/matita/matitaGui.ml
@@ -463,8 +463,8 @@ class gui () =
            f ();
            unlock_world ()
           with exc ->
-           unlock_world ();
-           notify_exn exc
+           notify_exn exc;
+           unlock_world ()
        in
         worker_thread := Some (Thread.create thread_main ()) in
       let kill_worker =
-- 
2.39.2