AF
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The slur of AF is almost certainly Chopin's mistake, which is indicated by a comparison with all analogous figures – b. 10-11, 12-13, 102-103, 104-105 and 134-135. The version of FE (→EE) is most probably a result of an inaccurate interpretation of the slur of AF, written with a flourish (like in b. 134-135).
Compare the passage in the sources »
category imprint: Differences between sources
issues: Inaccuracies in FE, Errors of A
notation: Slurs