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gucharmap is a featureful unicode character map.

Large portions of gucharmap are generated from files published by
unicode.org.  For the license information see the file named
COPYING.UNICODE.

Data was gathered from the following URLs:
[1] http://www.unicode.org/Public/UNIDATA/Blocks.txt
[2] http://www.unicode.org/Public/UNIDATA/UnicodeData.txt
[3] http://www.unicode.org/Public/UNIDATA/Unihan.zip
[4] http://www.unicode.org/Public/UNIDATA/NamesList.txt

gucharmap was influenced by Juliusz Chroboczek's ucm
(http://www.pps.jussieu.fr/~jch/software/files/ucm-0.3.tar.gz), the
Windows charmap, and GNOME's gcharmap.