In A the last two semiquavers in the parts of both hands are written down without any accidentals. Chopin's blatant oversight was corrected only by GE2 (→GE3,FESB), in which the necessary naturals and a cautionary 
to e
2 were added. In the main text we also add cautionary accidentals to e1 (which is absent in the editions – see the note below) and to a2.
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category imprint: Interpretations within context; Differences between sources; Editorial revisions
issues: GE revisions, Errors of A, Errors repeated in GE, Errors repeated in FE, Errors repeated in EE
notation: Pitch