Instead of the trill – 
– present in A (→GE), FE (→EE1) has an octave sign (8- - -). The striking error was corrected by Chopin in FED. The correct version was restored also in EE2 (→EE3), probably on the basis of comparison with GE1.
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category imprint: Differences between sources
issues: Annotations in teaching copies, EE revisions, Errors in FE, Annotations in FED, Errors in EE
notation: Ornaments