/// * On Unix, a path has a root if it begins with `/`.
///
/// * On Windows, a path has a root if it:
- /// * has no prefix and begins with a separator, e.g. `\\windows`
+ /// * has no prefix and begins with a separator, e.g. `\windows`
/// * has a prefix followed by a separator, e.g. `c:\windows` but not `c:windows`
/// * has any non-disk prefix, e.g. `\\server\share`
///