From dafaa1c512208efcaf8305349b3b7da8219cfbb1 Mon Sep 17 00:00:00 2001
From: Benjamin Gilbert <bgilbert@backtick.net>
Date: Mon, 4 Dec 2023 06:56:24 -0600
Subject: [PATCH] Document JPEG streamtype option

streamtype=1 is new in 10.2.0; the other values have existed since Git
pre-history.
---
 docs/handbook/image-file-formats.rst | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/docs/handbook/image-file-formats.rst b/docs/handbook/image-file-formats.rst
index 38c00f8702c..23da312a600 100644
--- a/docs/handbook/image-file-formats.rst
+++ b/docs/handbook/image-file-formats.rst
@@ -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.