(Com {[LIT_CHARS tr]} {[LIT_CHARS a-z]} {[LIT_CHARS A-Z]}
  <
  (FilenameRedirectNode filename={[DQ [VarSub 1]]} <REDIR_LESS "<"> 0),
  (FilenameRedirectNode filename={[DQ [VarSub 2]]} <REDIR_GREAT ">"> 1),
  >
)