The slur written in A over the group of 15 demisemiquavers was, according to Chopin's intention, certainly supposed to embrace the entire group, which, as far as the right end is concerned, was interpreted in this way in GE (→FE→EE). In turn, the fact of initiating it already from the previous semiquaver, as it is in GE (→FE), is certainly a mistake.
Compare the passage in the sources »
category imprint: Graphic ambiguousness; Differences between sources
issues: EE revisions, Inaccuracies in GE, Inaccurate slurs in A
notation: Slurs