FE1
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In bars 25-28 A initially had the rhythm 
. Later, Chopin was adding dots and beams, yet inaccurately, omitting the 2nd dot on the 2nd beat of bar 25 and on the 2nd and 3rd beats of bar 27. Those errors were corrected in GE (→FE→EE).
Compare the passage in the sources »
category imprint: Differences between sources
issues: Errors resulting from corrections, Rhythmic errors, Errors of A
notation: Rhythm