(CommandList
  children: [
    (C {(_Dbg_help_add_sub)} {(show)} {(width)} 
      {
        (SQ <"show width\n"> <"\n"> <"Show maximum width of a line\n"> <"\n"> 
          <"See also \\\"set width\\\".">
        )
      } {(1)}
    )
    (FuncDef
      name: _Dbg_do_show_width
      body: 
        (BraceGroup
          children: [
            (AndOr
              children: [
                (DBracket
                  expr: (BoolUnary op_id:BoolUnary_n child:{($ VSub_Name "$label")})
                )
                (Assignment
                  keyword: Assign_None
                  pairs: [
                    (assign_pair
                      lhs: (LhsName name:label)
                      op: Equal
                      rhs: 
                        {
                          (CommandSubPart
                            command_list: 
                              (CommandList
                                children: [(C {(_Dbg_printf_nocr)} {(DQ ("%-12s: "))} {(width)})]
                              )
                            left_token: <Left_CommandSub "$(">
                            spids: [94 102]
                          )
                        }
                      spids: [93]
                    )
                  ]
                  spids: [93]
                )
              ]
              op_id: Op_DAmp
            )
            (C {(_Dbg_msg)} 
              {(DQ (${ VSub_Name label) ("Line width is ") ($ VSub_Name "$_Dbg_set_linewidth") (.))}
            )
            (ControlFlow token:<ControlFlow_Return return> arg_word:{(0)})
          ]
          spids: [80]
        )
      spids: [76 79]
    )
  ]
)