Lembrança das coisas que estão por vir
Esta é de Lawrence Watt-Evans, e aparece na edição de abril de 1999 do Analog .
De acordo com este site :
Literature professor is bothered by his favourite author’s story, which meaning is changed completely by changing just one letter. The original manuscript has both letters on it - which is correct? Luckily, his friend in physics department has developed something resembling time travel. Ok story which is a pretty basic time travel story with a ending which is not probably surprising anyone.