Hello,The man page for metaflac says that it is possible to embed the URL to a cover on the Internet, without actually fetching it and embedding the picture data into the FLAC file. Is it possible to do the same thing for a cover on the local filesystem, by embedded the relative path? If so, how shall I compose the path string? Any example? I assume it needs to begin with 'file:///', but I suck at understanding RFCs and I haven't really figured out whether the RFCs mean that relative paths are allowed.