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## Copyright (C) 2003-2013 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} {} isstr (@var{a})
## This function has been deprecated. Use ischar instead.
## @end deftypefn
## Author: jwe
## Deprecated in version 3.0
## Matlab still has this function, so don't remove just yet.
function retval = isstr (varargin)
persistent warned = false;
if (! warned)
warned = true;
warning ("Octave:deprecated-function",
"isstr is obsolete and will be removed from a future version of Octave, please use ischar instead");
endif
retval = ischar (varargin{:});
endfunction
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