2018-05-16 Susumu Tanimura * Version 0.2 * Reworte NipponMap-package.Rd with a new template to synchronize package version with the DESCRIPTION file * Fixed JapanPrefMap.Rd * Revised JapanPrefMap.R to set transparent color if col is null. 2017-11-30 Susumu Tanimura * Revised NipponMap-package.Rd 2017-11-29 Susumu Tanimura * Initial release. version 0.1 * Added JapanPrefCartogram() and JapanPrefCartogram.Rd * Changed JapanPrefecturesMap() to JapanPrefMap() 2017-11-28 Susumu Tanimura * Fixed NAMESPACE * Revised DESCRIPTION 2016-01-06 Susumu Tanimura * Moved JapanPrefecturesMap() of Nippon as a new package