Heckle (jedno z narzędzi do testowania w Ruby) i wszystko staje się jasne:
...a to fragment wyniku testowanie modelu ? /???/???/????/±???/1.8/±???/?????????????-3.0.3/???/?????????????.???? ????????'
°??? /???/???/????/±???/1.8/±???/?????????????-3.0.3/???/?????????????.???? ?????????????'
°??? /???/???/????/±???/1.8/±???/?????????????-3.0.3/???/?????????????.???? ????????'
°??? /???/???/????/±???/1.8/±???/?????????????-3.0.3/???/?????????????.???? ????????'
°??? /???/???/????/±???/1.8/±???/?????????????-3.0.3/???/?????????????.???? ?????????????'
... 18 ??????...
°??? /???/???/????/±???/1.8/±???/??????-1.4.3/???/../???/???????????????.???? ?????????'