Printing errors!

He who passes over printing errors without correcting them is no mere philistine: he is a perjurer of spirit and sense. It may well be that in a secular culture the best way to define a condition of grace is to say that it is one in which one leaves uncorrected neither literal nor substantive errata in the texts one reads and hands on to those who come after us.—George Steiner, No Passion Spent, page 7