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in
We give the 
hairpins written in A. In the editions the direction of the mark was changed, which is a characteristic error, often encountered in the first editions of Chopin's works (cf., e.g., the Nocturne in D
major, Op. 27 No. 2, bar 6).
Compare the passage in the sources »
category imprint: Interpretations within context; Differences between sources
issues: Errors in FE, Sign reversal
notation: Articulation, Accents, Hairpins