, July 00, 0000. "Just spent three hours fixing typesetter-introduced errors in a forthcoming article. They had swapped around two sentences in the abstract (???) and incorrectly introduced commas left, right and centre. The reason this takes so long to fix is that the errors were so basic that it completely shattered my trust in their competence. I'm still pretty sure I missed half the errors they introduced and have no faith that my corrections will be implemented correctly." For another example of subtracted value, see Conor Meehan in a 