anchor.diff:      cEventOnState,
       cEventOnFocus,
       cEventOnStart,
  +    cEventOnOpen,
  +    cEventOnOpenBefore,
  +    cEventOnClose,
  +    cEventOnSaveAfter,
  +    cEventOnSaveBefore,
       cEventOnLexer,
       cEventOnComplete,
       cEventOnGotoEnter,
  
positive.code:     'on_state',
      'on_focus',
      'on_start',
      'on_lexer',
      'on_complete',
      'on_goto_enter',
  
negative.code: 
  const
    cAppPyEvent: array[TAppPyEvent] of string = (
      'on_key',
      'on_key_up',
      'on_insert',
  