In the 2nd half of the bar A does not contain any accidentals; therefore, the 1st R.H. quaver is to be read as f2, the last one as f1, while the respective L.H. chord note as f. The sharps raising all those f notes to f
present in GE (→FE,EE,IE) were arbitrarily added by the reviser of GE, who assumed that Chopin overlooked them. However, it does not seem possible at all, since this pattern appears two more times further on, in bar 190 and 373, always in the same form in A, without any accidentals. It is also worth emphasising that unlike in the previous two bars (see the notes on bars 5 and 6), in this case the oversight would not concern a cancelled alteration, which is one of the most frequent mistakes by Chopin, but the alteration itself, which was extremely rare. Therefore, in the main text we provide the version with f, as the only authentic one; we only add a cautionary 
to the first of the discussed notes (f2).
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category imprint: Differences between sources; Editorial revisions
issues: GE revisions
notation: Pitch
