In A, there is no 
before the top note of the L.H. octave in the middle of the bar (f
) – the accidental appears only just before the f minim. Chopin's patent inaccuracy, resulting from the corrections to the L.H. part in this and the next bars, was rectified by FE (→GE,EE).
Compare the passage in the sources »
category imprint: Differences between sources
issues: Accidentals in different octaves, Authentic corrections of FE, FE revisions, Inaccuracies in A
notation: Pitch