Three last quavers in bars 28, 31 and 37 do not have accidentals in FE1. That Chopin’s notation inaccuracy was corrected in FE2 (apart from of e in bar 28). The notation of GE and EE is completely correct.
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category imprint: Differences between sources
issues: EE revisions, Accidentals in different octaves, Inaccuracies in FE, FE revisions
notation: Pitch