+\newluatexcatcodetable\ltj@temp@cctb
+\def\ltj@overwrite@catcodetable#1{%
+ \setluatexcatcodetable\ltj@temp@cctb{\luatexcatcodetable#1}%
+ \setluatexcatcodetable#1{\luatexcatcodetable\ltj@temp@cctb\catcode"FFFFF=14}%
+}
+\ltj@overwrite@catcodetable\CatcodeTableLaTeX
+\ltj@overwrite@catcodetable\CatcodeTableLaTeXAtLetter
+\ltj@overwrite@catcodetable\CatcodeTableExpl
+