To start a connection you have to check the versions, generate the sessonID and verify the login.
-Only if step 1.1 is accomplished is and the sessionID of the client was valid or 1.1 and 1.2 have been accomplished a usable connection is negotiated.
+Only if step 1.1 is accomplished and the sessionID of the client was valid or if step 1.1 and 1.2 have been accomplished a usable connection is negotiated.
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