optbug            377 parse-options.c 			err |= optbug(opts, "uses incompatible flags "
optbug            381 parse-options.c 				err |= optbug(opts, "invalid short name");
optbug            383 parse-options.c 				err |= optbug(opts, "short name already used");
optbug            390 parse-options.c 			err |= optbug(opts, "uses feature "
optbug            400 parse-options.c 				err |= optbug(opts, "should not accept an argument");
optbug            406 parse-options.c 			err |= optbug(opts, "multi-word argh should use dash to separate words");
optbug            179 parse-options.h extern int optbug(const struct option *opt, const char *reason);