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In a scenario where amongst other things the Byzantines managed to expand their gains in Anatolia and West Asia (plus parts of Syria and northern Mesopotamia under either the Macedonian or Komnenoi dynasties) to the point of both achieving relative stability as well as avoided their OTL decline / collapse, what-if the ATL Orthodox Christian world (including both Eastern and Oriental Orthodox Christianity) later experienced their own equivalent of the Protestant Reformation?
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