imo if you're writing a unix-style CLI tool and you make your flags anything other than hyphen-separated you are a sinner
@nex3 `unknown argument -h. use --help for usage` also deserves its own circle of eternal punishment.
@nex3 although `banner` gets a pass since that's a big help.
(void*)
@nex3 although `banner` gets a pass since that's a big help.