Chopin's patent mistake in A is indicated by the presence of an octave sign both in the earlier manuscripts, AsI and Af, and in all editions. It is difficult to say whether the addition of this indication to GE1 came from Chopin, since in this context it could have seemed obvious.
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category imprint: Interpretations within context; Differences between sources
issues: GE revisions, Errors of A, Authentic corrections of GE
notation: Pitch