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=doc Fix indefinite articles typos in docs (#20924)

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Nafer Sanabria 2016-07-11 07:13:40 -05:00 • committed by Konrad Malawski
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akka-docs/rst/project/migration-guide-2.3.x-2.4.x.rst
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@ -125,10 +125,10 @@ FSM notifies on same state transitions
When changing states in an Finite-State-Machine Actor (``FSM``), state transition events are emitted and can be handled by the user
either by registering ``onTransition`` handlers or by subscribing to these events by sending it an ``SubscribeTransitionCallBack`` message.
Previously in ``2.3.x`` when an ``FSM`` was in state ``A`` and performed an ``goto(A)`` transition, no state transition notification would be sent.
Previously in ``2.3.x`` when an ``FSM`` was in state ``A`` and performed a ``goto(A)`` transition, no state transition notification would be sent.
This is because it would effectively stay in the same state, and was deemed to be semantically equivalent to calling ``stay()``.
In ``2.4.x`` when an ``FSM`` performs a any ``goto(X)`` transition, it will always trigger state transition events.
In ``2.4.x`` when an ``FSM`` performs an any ``goto(X)`` transition, it will always trigger state transition events.
Which turns out to be useful in many systems where same-state transitions actually should have an effect.
In case you do *not* want to trigger a state transition event when effectively performing an ``X->X`` transition, use ``stay()`` instead.