I edited four tracks (and recordings) – #s 5, 10, 19, 21 – on http://musicbrainz.org/release/43963b78-9de3-4317-90c3-55a7ce2e4826 and was presented the edit review pictured in the screenshot which claims that I edited tracks 5-21.

See also http://musicbrainz.org/edit/21387524 which lists the edits correctly, but one by one.

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Related to this might be http://musicbrainz.org/release/71e29240-d6a7-4713-85f3-5173df3f5dd1 where Nemzeti Filharmonikus Zenekar is credited with performing on tracks 1.3, 1.5-2.6 (credits at bottom) whereas they actually perform only on 1.3, 1.5 & 2.6 (credits inline).