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As far as I'm aware neither PostgreSQL nor OS version do matter for this
Yes as of this date. However, that is not to say that the SQL standard (or PostgreSQL) may change
in the _future_, such that there "may" be a "ROLLBACK TO SAVEPOINT OR CONTINUE" after a failure,
in which case, someone else may be confused because there is no reference to the actual PostgreSQL version.
That is why it is important to include the version "AT THE TIME OF POSTING" so that future op's will
have a point of reference for the answer.