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+++ b/scripts/deprecated/is_global.m
@@ -0,0 +1,38 @@
+## Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2005, 2006,
+##               2007, 2010 John W. Eaton
+##
+## This file is part of Octave.
+##
+## Octave is free software; you can redistribute it and/or modify it
+## under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 3 of the License, or (at
+## your option) any later version.
+##
+## Octave is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+## General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with Octave; see the file COPYING.  If not, see
+## <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn {Function File} {} is_global (@var{name})
+## This function is provided for compatibility with older versions of
+## Octave.  New programs should use isglobal instead.
+## @end deftypefn
+
+## Deprecated in version 3.4
+
+function retval = is_global (name)
+  persistent warned = false;
+  if (! warned)
+    warned = true;
+    warning ("Octave:deprecated-function",
+             "is_global is obsolete and will be removed from a future version of Octave; please use isglobal instead");
+  endif
+
+  retval = isglobal(name);
+
+endfunction