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by ReleaseCandidat 805 days ago
There is no contradiction, as (1) does not say that "each record is located on a (exactly one) single separate line". But it could be better phrased, like "two consecutive records are separated by...".

This is the "mathematical a", which does not mean "exactly one" but "at least one, and we don't care how many, we already did the interesting work". Like in "this problem has a solution".