In the main text we omit the unjustified 
(cautionary?) to d
1 at the beginning of the bar, present in all sources. On the other hand, we add a restoring a1 on the 4th beat of the bar, omitted by Chopin. It was also added in GE (→FE,EE,IE).
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category imprint: Interpretations within context; Differences between sources; Editorial revisions
issues: Omissions to cancel alteration, GE revisions, Cautionary accidentals, Errors of A, Last key signature sign
notation: Pitch