bb8a4ab6ae
Emphasise that an OsStr[ing] is not necessarily a platform string Fixes #53261 Since that issue was filed, #56141 added a further clarification to the `OsString` docs. However the ffi docs may still leave the impression that an `OsStr` is in the platform native form. This PR aims to further emphasise that an `OsStr` is not necessarily a platform string.