> > For example, if you want to use Japanese characters, > > I think that it is possible to set the Japanese font in txi-ja.tex. > > To reiterate: as far as I know, it is not possible to set the font for > Japanese only in texinfo[.tex]. Thus the ja font, wherever it is > specified, would be used for every character. That sounds like just > shunting the problem off in another direction, not actually solving it. > > Really solving it is not a trivial matter and there is no simple > dozen-line patch that will overcome it.
These packages can be set independently Japanese fonts and alphabetic fonts. LuaTeX-ja https://osdn.jp/projects/luatex-ja/wiki/FrontPage%28en%29 ZXjatype http://www.ctan.org/pkg/zxjatype I think it is *possible* to set the font for Japanese only. For example, alphabetic fonts are set to Computer Modern or Latin Modern, and Japanese fonts are set to IPA Mincho and IPA Gothic.