The addition of a
in the proofreading of FE (→EE) is undoubtedly a Chopin improvement (it can be that Chopin corrected his own oversight in A). There is no extending dot next to this note, which, regardless of the reason, has to be considered an inaccuracy in this context.
Compare the passage in the sources »
category imprint: Interpretations within context; Differences between sources; Corrections & alterations
issues: Inaccuracies in FE, Authentic corrections of FE
notation: Pitch