See that's what I thought, but as I know so little about the festive calendars of other cultures, I assumed there was some aspect of Ramadan which validated it. On most month-long fasts I recall from my long-long-ago religious education lessons, there were a few hours of the day when eating was okay, as a method of actually not starving to death. Perhaps the chocolate is to reward kids for a full days fast the day before...
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