In A (→FE) there is no 
before the last note of the roulade, raising d4 to d
4. That inaccuracy, typical of Chopin, was corrected in FC (→GE) and EE. However, in FC the added covered the small notehead, as a result of which GE1 interpreted the note as a small protuberance on a ledger line below that note, which resulted in c4. The mistake, patent in this harmonic context, was corrected in GE2 (→GE3).
Compare the passage in the sources »
category imprint: Interpretations within context; Differences between sources
issues: EE revisions, GE revisions, Inaccuracies in FC, Fontana's revisions, Inaccuracies in A, Errors repeated in FE
notation: Pitch