Shorthand URLs uses semver to parse URLs. You can use this feature to access crates' documentation easily. Example of URL redirections for clap crate:

URL Redirects to documentation of Latest version of clap 2.* version 2.9.* version 2.9.3 version (you don't need = unlike semver)* Latest version of this page (if it still exists). "latest" or "newest" work as well as *.