The dotted rhythm in A is the original version (cf. analogous bar 20), left here by Chopin, perhaps unintentionally. Therefore, the quavers in GE (→FE→EE) may be a result of Chopin's proofreading, although the absence of visible traces of performing changes in print allows us to consider a possible mistake of the engraver.
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category imprint: Differences between sources
issues: Authentic corrections of GE, Omitted correction of an analogous place
notation: Rhythm