Commit 2e93d7c381 for ffmpeg

commit 2e93d7c3819229198c688fb8a872f61c14549eff
Author: Michael Niedermayer <michael@niedermayer.cc>
Date:   Tue Oct 6 23:22:54 2026 +0200

    doc/protocols: State that the shared cache key ignores request options

    Documenting this was suggested in the report.

    Documentation for oSnACc1DZtVF (AISLE-2026-0111-00167)
    Found-by: Joshua Rogers <joshua.rogers@aisle.com>

diff --git a/doc/protocols.texi b/doc/protocols.texi
index db1433f733..55e22b1bbe 100644
--- a/doc/protocols.texi
+++ b/doc/protocols.texi
@@ -1784,6 +1784,9 @@ some risk of collision if the same URL is used for different content (e.g.
 as a result of extra POST data being used to select the stream ID). To avoid
 this, make sure to only use this protocol for URLs that uniquely identify
 the content; otherwise you may get a garbled mix of sources.
+This includes content selected by request options such as headers, cookies or
+credentials: data cached for one user is returned to every other user of the
+same cache directory.

 The accepted options are:
 @table @option