In A the bottom note of the 4th quaver was corrected by Chopin from g
to a (similarly in bars 2, 5, 6 and 22). In the 1st bar, the result of this correction is not that obvious, at the first sight, and the version of EE proves that probably the copyist preparing the base text for this edition misinterpreted Chopin's intention.
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category imprint: Differences between sources; Corrections & alterations
issues: Corrections in A, Errors resulting from corrections, Accompaniment changes
notation: Pitch