(command.CommandList children: [ (C {<_Dbg_help_add_sub>} {<show>} {<history>} {(DQ <'Show information on command history saving'>)} {<1>} ) (command.ShFunction name: _Dbg_do_show_history body: (BraceGroup children: [ (C {<_Dbg_printf>} {(DQ <'%-12s-- '>)} {<history>}) (C {<_Dbg_msg>} { (DQ <' filename: The filename in which to record the command history is '> ($ Id.VSub_DollarName '$_Dbg_histfile') ) } ) (C {<_Dbg_msg>} {(DQ <' save: Saving of history save is'>)} { (command_sub left_token: <Id.Left_DollarParen '$('> child: (C {<_Dbg_onoff>} {($ Id.VSub_DollarName '$_Dbg_set_history')}) ) } ) (C {<_Dbg_msg>} { (DQ <' size: Debugger history size is '> ($ Id.VSub_DollarName '$_Dbg_history_length') ) } ) (C {<typeset>} {<Id.Lit_VarLike 'label='> (DQ ($ Id.VSub_Number '$1'))}) (command.ControlFlow token:<Id.ControlFlow_Return return> arg_word:{<0>}) ] ) ) ] )