Merge branch 'kitagawa_tfont' into kitagawa_stack

diff --cc src/luatexja-core.sty
index 8676934,15cd8a9..0352e1e
--- 1/src/luatexja-core.sty
--- 2/src/luatexja-core.sty
+++ b/src/luatexja-core.sty
@@@ -567,14 -567,35 +567,35 @@@
  }
  
  %%%% \hbox, \vbox, \vtop
- \everyhbox{%
-   \directlua{luatexja.direction.set_list_direction_hook()}%
-   \aftergroup\ltj@@reset@badness
- }
- \everyvbox{%
-   \directlua{luatexja.direction.set_list_direction_hook()}%
-   \aftergroup\ltj@@reset@badness
+ \setbox0\hbox{%
+   $\directlua{% This value depends on the version of LuaTeX.
+     luatexja.stack.mmode = -tex.nest[tex.nest.ptr].mode
+   }$%
  }
 -    \directlua{luatexja.direction.set_list_direction()}%
+ \ifltj@everyhook@avail
+   \PushPreHook{hbox}{%
 -    \directlua{luatexja.direction.set_list_direction()}%
++    \directlua{luatexja.direction.set_list_direction_hook()}%
+     \aftergroup\ltj@@reset@badness
+   }
+   \PushPreHook{vbox}{%
 -    \directlua{luatexja.direction.set_list_direction()}%
++    \directlua{luatexja.direction.set_list_direction_hook()}%
+     \aftergroup\ltj@@reset@badness
+   }
+ \else
+   {\catcode`\!=0\catcode`\\=12
+   !@PackageWarningNoLine{luatexja-core}{%
+   I will use \everyhbox and \everyvbox directly !MessageBreak
+   for  supporting multiple directions, !MessageBreak
+   since everyhook.sty is not available}}
+   \everyhbox{%
 -    \directlua{luatexja.direction.set_list_direction()}%
++    \directlua{luatexja.direction.set_list_direction_hook()}%
+     \aftergroup\ltj@@reset@badness
+   }
+   \everyvbox{%
++    \directlua{luatexja.direction.set_list_direction_hook()}%
+     \aftergroup\ltj@@reset@badness
+   }
+ \fi
  \protected\def\ltj@@reset@badness{%
    \directlua{%
      if luatexja.global_temp then