A small, crocky feature that sticks out of an otherwise clean design.Something conspicuous for localised ugliness, especially a special-case exception to a general rule.For example, in some versions of "csh(1)", single quotes literalise every character inside them except "!".In ANSI C, the "?" syntax used for obtaining ASCII characters in a foreign environment is a wart.See also miswart.[Jargon File]