anchor.diff:    IdControl:= FindControlIndexByOurObject(Sender);
     if DoEvent(IdControl, Props.FEventOnEditorPaste,
       Format('{ "keep_caret": %s, "sel_then": %s }', [
  -      cBool[AKeepCaret],
  -      cBool[ASelectThen]
  -    ])) = 'False' then
  +      cPyFalseTrue[AKeepCaret],
  +      cPyFalseTrue[ASelectThen]
  +    ])) = cPyFalse then
       AHandled:= true;
   end;
   
  
positive.code: 
  implementation
  
  procedure DoForm_SetupFilters(F: TFormDummy);
  const
    cPrefix = 'f_';
  
negative.code:   IdControl:= FindControlIndexByOurObject(Sender);
    if DoEvent(IdControl, Props.FEventOnEditorKeyDown,
      Format('(%d, "%s")', [Key, ConvertShiftStateToString(Shift)])
      ) = cPyFalse then
     Key:= 0;
  end;
  
  