From the middle of bar 50 to bar 52 there is no raising d1 to d1 in A. The raising d2 to d2 in bar 52 is also absent. These are patent inaccuracies, typical of Chopin. In GE and FE2 (→EE) all the necessary accidentals were added.
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category imprint: Interpretations within context; Differences between sources
issues: Accidentals in different octaves, GE revisions, Omission of current key accidentals, FE revisions, Inaccuracies in A, Errors repeated in FE
notation: Pitch