Merged in changes from CVS trunk.

Patches applied:

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-714
   Update from CVS

git-archimport-id: lorentey@elte.hu--2004/emacs--multi-tty--0--patch-271

1 files changed, 20 insertions, 3 deletions

diff --git a/src/eval.c b/src/eval.c
index adff3e8670c..4a63b022fd6 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -573,7 +573,7 @@ optional argument, and making the `interactive' spec specify non-nil
 unconditionally for that argument.  (`p' is a good way to do this.)  */)
      ()
 {
-  return (INTERACTIVE && interactive_p (1)) ? Qt : Qnil;
+  return interactive_p (1) ? Qt : Qnil;
 }
 
 
@@ -595,7 +595,8 @@ interactive_p (exclude_subrs_p)
   /* If this isn't a byte-compiled function, there may be a frame at
      the top for Finteractive_p.  If so, skip it.  */
   fun = Findirect_function (*btp->function);
-  if (SUBRP (fun) && XSUBR (fun) == &Sinteractive_p)
+  if (SUBRP (fun) && (XSUBR (fun) == &Sinteractive_p
+                      || XSUBR (fun) == &Scalled_interactively_p))
     btp = btp->next;
 
   /* If we're running an Emacs 18-style byte-compiled function, there
@@ -786,6 +787,21 @@ usage: (defvar SYMBOL &optional INITVALUE DOCSTRING)  */)
     {
       if (NILP (tem))
         Fset_default (sym, Feval (Fcar (tail)));
+      else
+        { /* Check if there is really a global binding rather than just a let
+             binding that shadows the global unboundness of the var.  */
+          volatile struct specbinding *pdl = specpdl_ptr;
+          while (--pdl >= specpdl)
+            {
+              if (EQ (pdl->symbol, sym) && !pdl->func
+                  && EQ (pdl->old_value, Qunbound))
+                {
+                  message_with_string ("Warning: defvar ignored because %s is let-bound",
+                                       SYMBOL_NAME (sym), 1);
+                  break;
+                }
+            }
+        }
       tail = Fcdr (tail);
       tem = Fcar (tail);
       if (!NILP (tem))
@@ -1158,9 +1174,10 @@ unwind_to_catch (catch, value)
   /* Save the value in the tag.  */
   catch->val = value;
 
-  /* Restore the polling-suppression count.  */
+  /* Restore certain special C variables.  */
   set_poll_suppress_count (catch->poll_suppress_count);
   interrupt_input_blocked = catch->interrupt_input_blocked;
+  handling_signal = 0;
 
   do
     {