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diff --git a/octave_packages/m/plot/ezplot3.m b/octave_packages/m/plot/ezplot3.m
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+## Copyright (C) 2007-2012 David Bateman
+##
+## 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} {} ezplot3 (@var{fx}, @var{fy}, @var{fz})
+## @deftypefnx {Function File} {} ezplot3 (@dots{}, @var{dom})
+## @deftypefnx {Function File} {} ezplot3 (@dots{}, @var{n})
+## @deftypefnx {Function File} {} ezplot3 (@var{h}, @dots{})
+## @deftypefnx {Function File} {@var{h} =} ezplot3 (@dots{})
+##
+## Plot a parametrically defined curve in three dimensions.
+## @var{fx}, @var{fy}, and @var{fz} are strings, inline functions
+## or function handles with one arguments defining the function.  By
+## default the plot is over the domain @code{-2*pi < @var{x} < 2*pi}
+## with 60 points.
+##
+## If @var{dom} is a two element vector, it represents the minimum and maximum
+## value of @var{t}.  @var{n} is a scalar defining the number of points to use.
+##
+## The optional return value @var{h} is a graphics handle to the created plot.
+##
+## @example
+## @group
+## fx = @@(t) cos (t);
+## fy = @@(t) sin (t);
+## fz = @@(t) t;
+## ezplot3 (fx, fy, fz, [0, 10*pi], 100);
+## @end group
+## @end example
+##
+## @seealso{plot3, ezplot, ezsurf, ezmesh}
+## @end deftypefn
+
+function retval = ezplot3 (varargin)
+
+  [h, needusage] = __ezplot__ ("plot3", varargin{:});
+
+  if (needusage)
+    print_usage ();
+  endif
+
+  if (nargout > 0)
+    retval = h;
+  endif
+endfunction
+
+
+%!demo
+%! clf
+%! fx = @(t) cos (t);
+%! fy = @(t) sin (t);
+%! fz = @(t) t;
+%! ezplot3 (fx, fy, fz, [0, 10*pi], 100);
+