Contrary to the situation in b. 103, in A (→GE→FESB) there is no cautionary 
to e
2. A flat was added in FE, perhaps at Chopin's request, whereas in EE1 a 
was inserted here, raising e2 to e2. This version, possible in itself, must be erroneous, which is proven by – aside from the compliant version of the remaining sources – the comparison with analogous b. 104, 120 and 124. This erroneous revision (or maybe simply a mistake) was corrected only just in EE3, where the was changed to a .
Compare the passage in the sources »
category imprint: Differences between sources
issues: EE revisions, Errors in EE, Cautionary accidentals, FE revisions
notation: Pitch