First of all, the Web page URL has changed:

   http://www.rit.edu/cos/colorscience/rc_munsell_renotation.php

But my main concern is RIT's terms of use.  According to these terms, 
the contents of the Web site are for personal, noncommercial use only. 
IANAL, but to me, these terms don't appear to be compatible with the 
LGPL.  Do you have some assurance (preferably written) that the Munsell 
data are not covered by these restrictions, or have you otherwise 
contacted RIT about their use?

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