The original slurring of this bar included – same as in bar 50 – only the slur on the 4th beat of the bar (the "triplet" one). It is proved by extension of this slur in GC (→GE) performed with Chopin's hand. Chopin introduced a similar correction probably in the base text to EE, however, it is not certain whether he actually linked the added slur to the previous one or whether it is a result of misinterpretation of the manuscript. In turn, the double slur of FE indicates a highly likely correction of Chopin in print – adding the second slur does not require as much workload of the engraver as "extending" the already printed one, which is related to deletion of its part or of the entire slur. In the main text we give the undoubtedly authentic slur of GC (→GE), confirmed by a possible Chopin's correction in FE.
See b. 50-51
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category imprint: Differences between sources; Corrections & alterations
issues: Authentic corrections of FE, Authentic corrections in GC
notation: Slurs