(command.CommandList
  children: [
    (command.Simple
      blame_tok: <_Dbg_help_add_sub>
      more_env: []
      words: [
        {<_Dbg_help_add_sub>}
        {<info>}
        {<functions>}
        {
          (SQ <'**info functions** [*pattern*]\n'> <'\n'> 
            <'Show functions matching regular expression PATTERN.\n'> <'If pattern is empty, list all functions.\n'> <'\n'> <'Examples:\n'> <'---------\n'> <'\n'> 
            <'  info functions       \\# list of all functions\n'> <'  info functions s     \\# functions containing an \\"s\\"\n'> 
            <'  info function  \\^s    \\# functions starting with an \\"s\\"\n'> <'\n'> <'See also:\n'> <'---------\n'> <'\n'> <'**info variables**.'>
          )
        }
        {<1>}
      ]
      redirects: []
      do_fork: T
    )
    (command.ShFunction
      name_tok: <_Dbg_do_info_functions>
      name: _Dbg_do_info_functions
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Simple
              blame_tok: <typeset>
              more_env: []
              words: [{<typeset>} {<Id.Lit_VarLike 'pat='> ($ Id.VSub_Number 1)}]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <typeset>
              more_env: []
              words: [{<typeset>} {<-a>} {<fns_a>}]
              redirects: []
              do_fork: T
            )
            (command.ShAssignment
              left: <Id.Lit_VarLike 'fns_a='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'fns_a='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'fns_a='> name:fns_a)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (ShArrayLiteral
                        left: <Id.Op_LParen _>
                        words: [
                          {
                            (CommandSub
                              left_token: <Id.Left_DollarParen '$('>
                              child: 
                                (command.Simple
                                  blame_tok: <_Dbg_get_functions>
                                  more_env: []
                                  words: [{<_Dbg_get_functions>} {<0>} {(DQ ($ Id.VSub_DollarName pat))}]
                                  redirects: []
                                  do_fork: T
                                )
                              right: <Id.Eof_RParen _>
                            )
                          }
                        ]
                        right: <Id.Right_ShArrayLiteral _>
                      )
                    }
                )
              ]
              redirects: []
            )
            (command.Simple
              blame_tok: <typeset>
              more_env: []
              words: [{<typeset>} {<-i>} {<i>}]
              redirects: []
              do_fork: T
            )
            (command.ForExpr
              keyword: <Id.KW_For for>
              init: 
                (arith_expr.BinaryAssign
                  op_id: Id.Arith_Equal
                  left: ($ Id.Lit_ArithVarLike i)
                  right: {<Id.Lit_Digits 0>}
                )
              cond: 
                (arith_expr.Binary
                  op_id: Id.Arith_Less
                  left: ($ Id.Lit_ArithVarLike i)
                  right: 
                    {
                      (BracedVarSub
                        left: <Id.Left_DollarBrace '${'>
                        token: <Id.VSub_Name fns_a>
                        var_name: fns_a
                        prefix_op: <Id.VSub_Pound '#'>
                        bracket_op: (bracket_op.WholeArray op_id:Id.Lit_At)
                        right: <Id.Right_DollarBrace '}'>
                      )
                    }
                )
              update: (arith_expr.UnaryAssign op_id:Id.Node_PostDPlus child:($ Id.Lit_ArithVarLike i))
              body: 
                (command.DoGroup
                  left: <Id.KW_Do do>
                  children: [
                    (command.Simple
                      blame_tok: <_Dbg_msg>
                      more_env: []
                      words: [
                        {<_Dbg_msg>}
                        {
                          (BracedVarSub
                            left: <Id.Left_DollarBrace '${'>
                            token: <Id.VSub_Name fns_a>
                            var_name: fns_a
                            bracket_op: (bracket_op.ArrayIndex expr:{($ Id.VSub_DollarName i)})
                            right: <Id.Right_DollarBrace '}'>
                          )
                        }
                      ]
                      redirects: []
                      do_fork: T
                    )
                  ]
                  right: <Id.KW_Done done>
                )
              redirects: []
            )
            (command.ControlFlow keyword:<Id.ControlFlow_Return return> arg_word:{<0>})
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
  ]
)