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<?phpdefine('IN_CB', true);
 include('include/header.php');
 
 registerImageKey('code', 'BCGcodabar');
 
 $characters = array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '-', '$', ':', '/', '.', '+', 'A', 'B', 'C', 'D');
 ?>
 
 <div id="validCharacters">
 <h3>Valid Characters</h3>
 <?php foreach ($characters as $character) { echo getButton($character); } ?>
 </div>
 
 <div id="explanation">
 <h3>Explanation</h3>
 <ul>
 <li>Known also as Ames Code, NW-7, Monarch, 2 of 7, Rationalized Codabar.</li>
 <li>Codabar was developed in 1972 by Pitney Bowes, Inc.</li>
 <li>This symbology is useful to encode digital information. It is a self-checking code, there is no check digit.</li>
 <li>Codabar is used by blood bank, photo labs, library, FedEx...</li>
 <li>Coding can be with an unspecified length composed by numbers, plus and minus sign, colon, slash, dot, dollar.</li>
 </ul>
 </div>
 
 <?php
 include('include/footer.php');
 ?>
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