Peanuts by Charles Schulz for December 01, 1962
Transcript:
Charlie Brown reads a book. Sally comes up and says, "When you write, 'Jane saw the horse' Do you use a 'spot' or a 'buttonhook'?"<BR><BR> Charlie Brown replies, "A 'Spot.'" Sally says "Thank you."<BR><BR> Charlie Brown goes back to reading his book.<BR><BR> Charlie Brown says, "Incidentally, they're called 'periods' and 'question marks.'"<BR><BR>
I call them full-stops.