Np.char is needed for ruby annotations

[luatex-ja/luatexja.git] / src / luatexja-core.sty

diff --git a/src/luatexja-core.sty b/src/luatexja-core.sty
index 1d8af52..37e4b29 100644 (file)
--- a/src/luatexja-core.sty
+++ b/src/luatexja-core.sty
@@ -575,7 +575,7 @@
     luatexja.stack.mmode = -tex.nest[tex.nest.ptr].mode
   }$%
 }
-\ifltj@everyhook@avail
+\ifltj@everyhook@avail% using everyhook package
   \PushPreHook{hbox}{%
     \directlua{luatexja.direction.set_list_direction_hook()}%
     \aftergroup\ltj@@reset@badness
@@ -585,20 +585,19 @@
     \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{%
+  \let\ltj@@everyhbox=\everyhbox\let\ltj@@everyvbox=\everyvbox
+  \newtoks\ltj@@i@everyhbox\newtoks\ltj@@i@everyvbox
+  \let\everyhbox=\ltj@@i@everyhbox\let\everyvbox=\ltj@@i@everyvbox
+  \ltj@@everyhbox{%
     \directlua{luatexja.direction.set_list_direction_hook()}%
     \aftergroup\ltj@@reset@badness
-  }
-  \everyvbox{%
+    \the\ltj@@i@everyhbox}
+  \ltj@@everyvbox{%
     \directlua{luatexja.direction.set_list_direction_hook()}%
     \aftergroup\ltj@@reset@badness
-  }
+    \the\ltj@@i@everyvbox}
 \fi
+
 \protected\def\ltj@@reset@badness{%
   \directlua{%
     if luatexja.global_temp then