This list is reproduced below, albeit with some spelling and typo corrections. The word is a portmanteau of "typo", for typographical error, and "hypoglycemia". This typo was corrected on all subsequent pressings. I thought it was a typo somehow. Subsequent printings with the typo corrected have the song titles printed in black. In this mutation, a "typo" in the DNA mistakes isoleucine for lysine. It was subsequently suggested this was a typo rather than intended. In instant messaging, users often send messages in haste and only afterwards notice the typo. P0rn is not a typo but an example of obfuscation. A typo made by post office officials caused the name to be recorded as Erwin. Caspar Collins, due to a typo that occurred when the town's name was officially registered. Interlingua placeholders include "cosa", meaning 'thing', and "typo", meaning 'guy' or 'type'. They changed the title and claimed a typo in the catalog. The titular character's name came from a typo in "Caroline". After McLuhan saw the typo, he exclaimed, 'Leave it alone!