- \futurelet\ltj@@next\fo@t}
-\def\fo@t{\ifcat\bgroup\noexpand\ltj@@next \let\ltj@@next\f@@t
- \else \let\ltj@@next\f@t\fi \ltj@@next}
-\def\f@@t{\bgroup\aftergroup\@foot\let\ltj@@next}
-\def\f@t#1{#1\@foot}
-\def\@foot{\@finalstrut\strutbox\color@endgroup\egroup}
+ \futurelet\jsc@next\jsc@fo@t}
+\def\jsc@fo@t{\ifcat\bgroup\noexpand\jsc@next \let\jsc@next\jsc@f@@t
+ \else \let\jsc@next\jsc@f@t\fi \jsc@next}
+\def\jsc@f@@t{\bgroup\aftergroup\jsc@@foot\let\jsc@next}
+\def\jsc@f@t#1{#1\jsc@@foot}
+\def\jsc@@foot{\@finalstrut\strutbox\color@endgroup\egroup}