bookdownplus_calendar
Insert monthly or weekly calendar.
bookdownplus_cchess
Instert Chinese chess diagrams. (插入中国象棋棋谱.)
bookdownplus_dnd
I don’t know what on earth it is.
bookdownplus_guitar
Write a book with guitar chords.
bookdownplus_igo
Insert Go game diagrams.
bookdownplus_musix
Typesetting music and related stuff.
bookdownplus_poem
A poem book.
bookdownplus_skak
Insert chess diagrams.
