(List
  (Com {[LIT_CHARS set]} {[LIT_CHARS -o]} {[LIT_CHARS nounset]}  )
  (Com {[LIT_CHARS set]} {[LIT_CHARS -o]} {[LIT_CHARS pipefail]}  )
  (Com {[LIT_CHARS set]} {[LIT_CHARS -o]} {[LIT_CHARS errexit]}  )
  (FunctionDef download []
    (Com {[LIT_CHARS wget]} {[SQ <LIT_CHARS "http://lists.gnu.org/archive/html/bug-bash/2001-02/msg00054.html">]}    )
  )
  (FunctionDef unescape []
    (Com {[LIT_CHARS sed]} {[LIT_CHARS -i]} {[SQ <LIT_CHARS "s/&amp;/\\&/g">]} {[LIT_CHARS shasm.sh]}    )
  )
  (Com {[DQ [VarSub @]]}  )
)