We give the markings of A. In GE (→FE→EE) only the dot was left, which is probably the result of inaccurate reading of the manuscript. The slur was probably added in A after the deletion of the sixth on the 3rd beat of the left hand, so there is no reason to omit it.
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category imprint: Interpretations within context; Differences between sources; Corrections & alterations
issues: Inaccuracies in GE, Corrections in A, Errors resulting from corrections, Accompaniment changes
notation: Slurs