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Original Description

Documentation and code contradict each other on `--enableMajorityReadConcern`.
Documentation says that in v3.6 majority read concern is always enabled, and that the switch has no effect (https://docs.mongodb.com/v3.6/reference/program/mongod/#cmdoption-mongod-enablemajorityreadconcern)
However, according to https://jira.mongodb.org/browse/SERVER-32022, the switch is re-enabled in v3.6.1.
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