oning</span>

    This section is non-normative, and is intended to explain some of
    the design choices concerning ETags and folder listings. At the
    same time it will hopefully help readers who intend to develop an
    application that uses remoteStorage as its per-user data storage.
    When multiple clients have read/write access to the same document,
    versioning conflicts may occur. For instance, client A may make
    a PUT request that changes the document from version 1 to version
    2, afte