In A (→GE1→FE) there is no lowering f to f. Chopin's patent oversight was corrected in EE and GE2.
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category imprint: Interpretations within context; Differences between sources
issues: EE revisions, Errors in FE, Accidentals in different octaves, Errors in GE, GE revisions, Inaccuracies in A
notation: Pitch