It is also in this bar that we give the unambiguous version of A (→EE,GC→GE) in the main text, in spite of the fact that while proofreading FE2 (→FE3), Chopin added a 
lowering e1 to e
1. This version must be considered as authentic, yet not necessarily final – the composer, not seeing the following text in this line, could have heard here a harmonic progression analogous to the one in bars 101 and 126, therefore, in the previous phase of the phrase's development.
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category imprint: Differences between sources; Corrections & alterations
issues: Errors resulting from corrections, Authentic corrections of FE
notation: Pitch