(command_loop_1): If there's an error in the

post(pre)-command-hook, leave that hook nil.

1 files changed, 22 insertions, 2 deletions

diff --git a/src/keyboard.c b/src/keyboard.c
index 743bcdfccd2..d75f48e21aa 100644
--- a/src/keyboard.c
+++ b/src/keyboard.c
@@ -904,7 +904,17 @@ command_loop_1 ()
   /* Make sure this hook runs after commands that get errors and
      throw to top level.  */
   if (!NILP (Vpost_command_hook))
-    call1 (Vrun_hooks, Qpost_command_hook);
+    {
+      Lisp_Object tem;
+      /* If we get an error during the post-command-hook,
+         cause post-command-hook to be nil.  */
+      tem = Vpost_command_hook;
+      Vpost_command_hook = Qnil;
+
+      call1 (Vrun_hooks, Qpost_command_hook);
+      
+      Vpost_command_hook = tem;
+    }
 
   while (1)
     {
@@ -1047,7 +1057,17 @@ command_loop_1 ()
 
       this_command = cmd;
       if (!NILP (Vpre_command_hook))
-        call1 (Vrun_hooks, Qpre_command_hook);
+        {
+          Lisp_Object tem;
+          /* If we get an error during the pre-command-hook,
+             cause pre-command-hook to be nil.  */
+          tem = Vpre_command_hook;
+          Vpre_command_hook = Qnil;
+
+          call1 (Vrun_hooks, Qpre_command_hook);
+
+          Vpre_command_hook = tem;
+        }
 
       if (NILP (this_command))
         {