The division of the slur in A is probably the original version, left due to deletions and inability to write a continuous slur in a graceful way. However, such slur is in the L.H. and in GE (→FE→EE), where Chopin's possible intention was interpreted correctly.
Compare the passage in the sources »
category imprint: Differences between sources
issues: Corrections in A, Errors resulting from corrections, GE revisions
notation: Slurs