Given that there is g
in the previous and next bar we may assume that the inner note of the chord in the second half of b. 25 per Chopin's intention was supposed to be g as well, and Chopin must have overseen 
. However, the version with g is no less satisfactory in musical terms, hence, assuming that Chopin's notation is correct we propose it for the main text.
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category imprint: Interpretations within context; Differences between sources
issues: GE revisions, Omission of current key accidentals
notation: Pitch