>> Have you ever got the CJK characters to work in a Texinfo file with >> XeTeX or LuaTeX? If so, maybe we should conditionally load the fonts >> that you got to work. Can you satisfactorily typeset Japanese text >> with XeTeX without the use of LaTeX packages? If not, it very likely >> won't be practical to implement special rules for typesetting Japanese >> in Texinfo itself. > > Not yet. I want to try it. > I'm going to use LuaTeX-ja. > > https://osdn.jp/projects/luatex-ja/wiki/FrontPage%28en%29 > > It can set Japanese fonts separately from alphabetic font settings. > It also has special rules for typesetting Japanese. > It does not require LaTeX. > > On the other hand, in XeTeX, it is difficult. > However, Japanese characters and fonts can be used by plain XeTeX at least.
I'm trying Japanese Texinfo with XeTeX/LuaTeX native Unicode. https://github.com/trueroad/texinfo-sample-jp In my experiment, in both XeTeX and LuaTeX, Japanese font and Alphabetic font can be separately set. Even if in XeTeX, typesetting result of Japanese text is acceptable in my humble opinion.