Ezhil Language Software is made up of several pieces of code all of which are available under 
the following open-source licenses.
==============================================================================================
                 E Z H I L : A  Tamil Programming Language
                 (c) 2012-2017, Ezhil Language Foundation
==============================================================================================
The code for Ezhil Language interpreter is distributed under the following GPLv3 license

    Ezhil is a Tamil programming language
    Copyright (C) 2007-2017, Muthiah Annamalai and other contributors
    Copyright (C) 2012-2017, Ezhil Language Foundation
    
    This program 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.

    This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
==============================================================================================
The open-tamil library is distributed under the MIT license

The MIT License (MIT)

Copyright (c) 2013-2015, முத்தையா அண்ணாமலை, Arulanan T, Mahadevan Sathia, 
Varun Soundarajan, T Shrinivasan, and ATV Kumaran

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
==============================================================================================
The book "Write Code in Tamil" is distributed freely in CC by SA. It is 

 Copyright (C) 2013-2015, Muthiah Annamalai

Write Code in Tamil is authored by Naga Chokkanathan and Muthiah Annamalai. The preface 
was kindly written by Arunram.
==============================================================================================
The GTK textbuffer with undo functionality is distributed under the following LGPL license

  Copyright (C) 2009 Florian Heinle

 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.

 This library 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
 Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public
 License along with this library; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 
 (C) 2017 Ezhil Language Foundation <ezhillang@gmail.com>
==============================================================================================
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=============================================================================================
