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File:	Content/TokenElements/csymbol/rec-csymbol3
CVS-ID:
Author:	MathML 2 Recomendation
Description:	Boltzmann's constant
Sample Rendering:

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Source Code:

    <math xmlns="http://www.w3.org/1998/Math/MathML"> 
      <!-- reference to human readable text description of Boltzmann's constant --> 
      <csymbol encoding="text" definitionURL="www.example.org/universalconstants/Boltzmann.htm"> k 
      </csymbol> 
    </math>