Ralph, I know what you mean. I've published two books of poetry, two books of literary criiticism, and a coauthored translation of a play. Despite my careful proofreading and the help of a good copy editor, none of these escaped error-free, though a couple came close.

As Marianne Moore put it in "The Pangolin": "Man, writing master to this world" nonetheless writes inscrutable nonsense and misspells "error with four r's.""