(List
  (Com {[LIT_CHARS set]} {[LIT_CHARS -e]}  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('mk', {[DQ [VarSub @]]})])
  (Com {[LIT_CHARS cat]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "CLVAR := FAIL\n"][LIT_CHARS "all:\n"][LIT_CHARS "\t@echo "][\ LIT_ESCAPED_CHAR "\\$"][LIT_CHARS "(CLVAR)\n"]]} <REDIR_DLESS "<<"> 0),
    (FilenameRedirectNode filename={[LIT_CHARS Makefile]} <REDIR_GREAT ">"> 1),
    >
  )
  (Com {[VarSub mk]} {[LIT_CHARS CLVAR] [LIT_OTHER ":"] [LIT_DBRACKET_LIKE "="] [LIT_CHARS P]} {[LIT_VAR_LIKE "CLVAR+="] [LIT_CHARS A] =} {[LIT_VAR_LIKE "CLVAR+="] [LIT_CHARS SS] =} {[LIT_CHARS CLVAR] [LIT_OTHER "?"] [LIT_DBRACKET_LIKE "="] [LIT_CHARS FAIL]}
    <
    (FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT "2>"> 2),
    >
  )
)