This gem uses WWWJDic Backdoor Entry/API as described by http://www.edrdg.org/wwwjdic/wwwjdicinf.html#backdoor_tag to to interact with WWWJDic and translate to and from Japanese language. WWWJDic is an online Japanese translation server made by Jim Breen and available at http://www.edrdg.org/cgi-bin/wwwjdic/wwwjdic?1C. GNU GPLv3 license; source code available through anonymous checkout: `hg clone http://hg.savannah.nongnu.org/hgweb/wwwjdic/` or write me and I'll send it. You can even decide to contribute to this little free software project by registering to Savannah and ask to be part of the 'wwwjdic' project!