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Document JPEG streamtype option

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streamtype=1 is new in 10.2.0; the other values have existed since Git
pre-history.
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Benjamin Gilbert 2023-12-04 06:56:24 -06:00
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docs/handbook/image-file-formats.rst
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@ -521,6 +521,19 @@ The :py:meth:`~PIL.Image.Image.save` method supports the following options:
.. versionadded:: 2.5.0
**streamtype**
Allows storing images without quantization and Huffman tables, or with
these tables but without image data. This is useful for container formats
or network protocols that handle tables separately and share them between
images.
* ``0`` (default): interchange datastream, with tables and image data
* ``1``: abbreviated table specification (tables-only) datastream
.. versionadded:: 10.2.0
* ``2``: abbreviated image (image-only) datastream
**comment**
A comment about the image.