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--- /dev/null
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@@ -0,0 +1,70 @@
+## Copyright (C) 2002 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 2, 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, write to the Free
+## Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+## 02111-1307, USA.
+
+## -*- texinfo -*-
+## @deftypefn {Command} {} close
+## @deftypefnx {Command} {} close all
+## Close the plot window(s).
+## @end deftypefn
+
+## Author: jwe
+
+## mark_as_command: close
+
+function retval = close (arg1, arg2)
+
+  static warned_all = false;
+  static warned_name = false;
+  static warned_handle = false;
+
+  if (nargin == 0)
+    if (! warned_all)
+      warned_all = true;
+      warning ("close: unable to close only current plot window");
+    endif
+    closeplot;
+  elseif (nargin == 1)
+    if (isstr (arg1))
+      if (strcmp (arg1, "all"))
+	closeplot;
+      else
+	if (! warned_name)
+	  warned_name = true;
+	  warning ("close: unable to close plot windows by name");
+	endif
+      endif
+    else
+      if (! warned_handle)
+	warned_handle = true;
+	warning ("close: unable to close plot windows by handle");
+      endif
+    endif
+  elseif (nargin == 2
+	  && isstr (arg1) && strcmp (arg1, "all")
+	  && isstr (arg2) && strcmp (arg2, "hidden"))
+    closeplot;
+  else
+    usage ("close [all]");
+  endif
+
+  if (nargout > 0)
+    retval = 1;
+  endif
+
+endfunction