MIPS
= M =
misfeature
misbug /mis-buhg/ n.
[MIT; rare (like its referent)]
An unintended property of a program that turns out to be useful;
something that should have been a bug but turns out to be a
feature. Compare green lightning. See miswart.
--The Jargon File version 4.3.1, ed. ESR, autonoded by rescdsk.