Fixed #8656: added a note about iterating over `UploadedFile` only understanding `\n`.

        Only files uploaded onto disk will have this method; it returns the full

        path to the temporary uploaded file.

.. note::

    Like regular Python files, you can read the file line-by-line simply by

    iterating over the uploaded file:

    .. code-block:: python

        for line in uploadedfile:

            do_something_with(line)

    However, *unlike* standard Python files, :class:`UploadedFile` only

    understands ``\n`` (also known as "Unix-style") line endings. If you know

    that you need to handle uploaded files with different line endings, you'll

    need to do so in your view.

Upload Handlers

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