Internal objects in the Nippon package, which are only user-visible because of the special nature of the Nippon name space.
zenkaku
jiscolors
jdate
jpn.syllabary
jpn.syllabary.addzenkaku is a list, and jiscolors is a data frame. jpn.syllabary and jpn.syllabary.add are character data frames.
Internal objects are loaded coincided with loading Nippon
package. zenkaku and jiscolors are used internally in
zen2han and JapaneseColors, respectively.
jpn.syllabary and jpn.syllabary.add internally provide
conversion tables for hira2kata, kata2hira,
and kana2roma.
zenkaku has lower and upper case of alphabets and numbers in
fullwidth form. jiscolors is data of JIS colors, including Kanji,
Hiragana, and Romaji names.
jpn.syllabary is a conversion table, including Hiragana,
Katakana, three main systems for the romanization of Japanese: Hepburn,
Nihon-shiki and Kunrei-shiki.
jpn.syllabary.add is an unofficial conversion table, but it is
widely used especially in ICT.