(command.CommandList
  children: [
    (command.Simple
      blame_tok: <_Dbg_help_add_sub>
      more_env: []
      words: [
        {<_Dbg_help_add_sub>}
        {<info>}
        {<stack>}
        {
          (DQ <'**info stack** [*count* [*frame-index*]]\n'> <'\n'> <'Same as '> 
            (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\"'> ch:'"') <backtrace> (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\"'> ch:'"') <.>
          )
        }
        {<1>}
      ]
      redirects: []
      do_fork: T
    )
    (command.ShFunction
      name_tok: <_Dbg_do_info_stack>
      name: _Dbg_do_info_stack
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Simple
              blame_tok: <_Dbg_do_backtrace>
              more_env: []
              words: [{<_Dbg_do_backtrace>} {($ Id.VSub_At '@')}]
              redirects: []
              do_fork: T
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
  ]
)