% LuaTeX.
TEXINPUTS.luatex = $TEXMFDOTDIR;$TEXMF/tex/{luatex,plain,generic,latex,}//
TEXINPUTS.luajittex = $TEXMFDOTDIR;$TEXMF/tex/{luatex,plain,generic,latex,}//
TEXINPUTS.luahbtex = $TEXMFDOTDIR;$TEXMF/tex/{luatex,plain,generic,latex,}//
TEXINPUTS.luajithbtex = $TEXMFDOTDIR;$TEXMF/tex/{luatex,plain,generic,latex,}//
TEXINPUTS.dviluatex = $TEXMFDOTDIR;$TEXMF/tex/{luatex,plain,generic,latex,}//
TEXINPUTS.lualatex = $TEXMFDOTDIR;$TEXMF/tex/{lualatex,latex,luatex,generic,}//