Copyright 2010-2013 Ayumu Nojima (野島 歩) and Martin J. Dürst (duerst@it.aoyama.ac.jp)
available under the same licence as Ruby itself
(see http://www.ruby-lang.org/en/LICENSE.txt)

The files in the 'data' subdirectory are © Unicode Consortium,
downloaded from http://www.unicode.org/Public/UCD/latest/ucd/.