In the version prepared for printing Chopin did not use the dynamic hairpins he wrote in Ap (also in the next bar). In one of the last proofreadings of FE (→GE,EE) he, however, added a verbal indication. In the main text we suggest to extend the marked range of the indication, as there is no doubt that crescendo leads to 
in bar 43.
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category imprint: Differences between sources
issues: GE revisions, Authentic corrections of FE
notation: Verbal indications
