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Asynchronous Messages

Asynchronous messages are information messages sent from the server to the client. Most of them are used to inform the client about changes to the database (such as when a new text is created), so that the clients don't have to poll the server for new information. Some have other uses.

The messages with status "O" are included here for historical purposes only. Servers are not required to handle them, and are encouraged to reject them if a client uses it as an argument to accept-async.