- \box@dir\adjustbaseline%%% これを追加
- \setlength\hsize{##1}\@arrayparboxrestore
- \everypar{%
- \vrule \@height \ltjgetht\@arstrutbox \@width \z@
- \everypar{}}%
- }
+ \color@begingroup
+ \box@dir\adjustbaseline%%% これを追加
+ \setlength\hsize{##1}\@arrayparboxrestore
+ \everypar{%
+ \vrule \@height \ltjgetht\@arstrutbox \@width \z@
+ \everypar{}}%
+ }%
+ }{ % = for 2018/04/30 v2.4h or older
+ \def\@startpbox##1{\bgroup
+ \box@dir\adjustbaseline%%% これを追加
+ \setlength\hsize{##1}\@arrayparboxrestore
+ \everypar{%
+ \vrule \@height \ltjgetht\@arstrutbox \@width \z@
+ \everypar{}}%
+ }%
+ }%