Hi Norbert, On Sat, 18 Feb 2017 12:42:12 +0900, Norbert Preining wrote: >> So I believe Debian must update LuaTeX-ja (texlive-lang-japanese) >> for stretch. > > Updated packages entered testing today. I just updated my box and the problem is certainly fixed. Thanks for your great efforts. Best regards, 2017-2-18(Sat) -- ************************** Atsuhito Kohda Math. Meth. in Sci., Tokushima Univ. atsuhito_k AT tokushima-u.ac.jp