+%%%% \raise, \lower, \moveleft, \moveright
+\let\ltj@@orig@raise=\raise
+\let\ltj@@orig@lower=\lower
+\protected\def\raise{\ltj@reset@globaldefs\afterassignment\ltj@@raise\ltj@tempdima}
+\protected\def\lower{\ltj@reset@globaldefs\afterassignment\ltj@@raise\ltj@tempdima-}
+\protected\def\ltj@@raise{%
+ \ltj@restore@globaldefs
+ \edef\ltj@@raise@a{%
+ \noexpand\directlua{luatexja.direction.raise_box()}%
+ \ltj@@orig@raise\the\ltj@tempdima\noexpand\box\ltj@afbox
+ }\ltj@afterbox\ltj@@raise@a}
+\let\ltj@@orig@moveleft=\moveleft
+\let\ltj@@orig@moveright=\moveright
+\protected\def\moveleft{\ltj@reset@globaldefs\afterassignment\ltj@@moveleft\ltj@tempdima}
+\protected\def\moveright{\ltj@reset@globaldefs\afterassignment\ltj@@moveleft\ltj@tempdima-}
+\protected\def\ltj@@moveleft{%
+ \ltj@restore@globaldefs
+ \edef\ltj@@moveleft@a{%
+ \noexpand\directlua{luatexja.direction.raise_box()}%
+ \ltj@@orig@moveleft\the\ltj@tempdima\noexpand\box\ltj@afbox
+ }\ltj@afterbox\ltj@@moveleft@a}
+
+%%%%\vsplit
+\let\ltj@@orig@vsplit=\vsplit
+\protected\def\vsplit{\directlua{luatexja.direction.vsplit()}}
+%%%% \vcenter
+\let\ltj@@orig@vcenter=\vcenter
+\protected\def\vcenter{\ltj@afterbox\ltj@@vcenter\vbox}
+\protected\def\ltj@@vcenter{%
+ \directlua{luatexja.direction.raise_box()}%
+ \ltj@@orig@vcenter{\box\ltj@afbox}%
+}
+
+%%%% \unhbox and \unvbox
+\long\def \@gobbletwo #1#2{}