System requirements: MeCab 0.996 or higher for Japanese and Chinese
(libmecab-dev (deb), mecab-devel (rpm)), mecab-jieba 0.1.1 for
Mandarin Chinese (https://github.com/lindera/mecab-jieba),
mecab-ko 0.999 (https://github.com/Pusnow/mecab-ko-msvc) for
Korean