The long option for this feature was clearly never tested, as only the
short option spec was actually correct.
{ "file", 1, NULL, 'f' },
{ "format", 1, NULL, 'F' },
{ "palette", 1, NULL, 'p' },
{ "file", 1, NULL, 'f' },
{ "format", 1, NULL, 'F' },
{ "palette", 1, NULL, 'p' },
- { "override", 1, NULL, 'p' },
+ { "override", 1, NULL, 'O' },
{ "version", 0, NULL, 'V' },
{ "usage", 0, NULL, 'U' },
{ "version", 0, NULL, 'V' },
{ "usage", 0, NULL, 'U' },