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// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) INRIA - Vincent COUVERT
//
// This file must be used under the terms of the CeCILL.
// This source file is licensed as described in the file COPYING, which
// you should have received as part of this distribution.  The terms
// are also available at
// http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt

function t=cat_code(a,b)

    // Catenate two parts of code (called by tree2code)
    // Input:
    // - a: original code
    // - b: code to add to a
    // Output:
    // - t: catenation of a and b

    if a==[] then
        t=b
    elseif b==[] then
        t=a
    elseif stripblanks(b)=="" then // b=="" then add a new line
        t=[a;""];
    else
        t=[a(1:$-1);a($)+b(1);b(2:$)]
    end
endfunction