I noticed that Logical Streaming Replication Protocol documentation [1] is missing the options added to "pgoutput" since version 14. A patch is attached to fix it together with another small one to give a nice error when "proto_version" parameter is not provided.
[1] https://www.postgresql.org/docs/devel/protocol-logical-replication.html
v00-0001-pgoutput-Test-if-protocol_version-is-given.patch
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v00-0002-pgoutput-Document-missing-options.patch
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