EE1
compare
In FE, there is no 
lowering f
to f. The patent inaccuracy of the Chopinesque notation was corrected in GE and EE.
Compare the passage in the sources »
category imprint: Interpretations within context; Differences between sources
issues: EE revisions, Accidentals in different octaves, Inaccuracies in FE, GE revisions
notation: Pitch