obi-wan error

/ohbeewon` er'@r/ , n. [RPI, from off-by-one and the Obi-Wan Kenobi
character in Star Wars ] A loop of some sort in which the index is off by
one. 1. Common when the index should have started from 0 but instead started
from 1. 2. A kind of off-by-one error. See also zeroth.