I apologize for posting before reading the long discussion; I did a cursory check however and I noticed that Ted Hill has not yet been mentioned. His text How to Publish Counterexamples in 1 2 3 Easy Steps is a first-hand account of dealing with submitting corrections to authors and editors in a rather high-profile case. The facts of the case are intricate enough that one wants to remain circumspect in one's conclusions, but one thing is overwhelmingly clear: the process is not for the fainthearted.