The implementation of GSOC 2012 proposal for better Unicode support in Phobos.
Originally it's a separate repo for benchmark(s) but they get squashed to exactly one:
rdmd -O -release -noboundscheck -inline char_class.d <files>
to test various lookup strategies of the new std.uni.
Also this repo containts tests for grapheme breaking and normalization these need to be fed with proper data:
http://unicode.org/Public/UNIDATA/NormalizationTest.txt
http://unicode.org/Public/UNIDATA/auxiliary/GraphemeBreakTest.txt