The naturals to the L.H. octave on the 2nd beat of the bar are missing in FC – the visible pencilled naturals were added by the reviser of GE1. It is difficult to say whether it is an oversight by Fontana or by Chopin in [A]. All editions contain the correct text.
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category imprint: Interpretations within context; Differences between sources
issues: GE revisions, Foreign hand additions in manuscripts, Errors of FC
notation: Pitch