Issues : Accidentals in different octaves

b. 58

composition: Op. 25 No 11, Etude in A minor

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Before the 5th semiquaver there is no  in GC and FE. This patent inaccuracy of Chopin was corrected in GE. EE also includes the correct text. 

category imprint: Interpretations within context; Differences between sources

issues: Accidentals in different octaves , Inaccuracies in FE , GE revisions , Inaccuracies in GC

b. 85-86

composition: Op. 25 No 11, Etude in A minor

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In GC there is no  raising d1 to d1, which is a patent oversight, corrected in GE.

In GC and GE2 (→GE3) there are unnecessary sharps in these bars: in GC before d2 at the beginning of the 3rd and 4th groups of semiquavers in bar 86, while in GE2 (→GE3) before d in the 2nd group in bar 85. 

category imprint: Interpretations within context; Differences between sources

issues: Accidentals in different octaves , GE revisions , Cautionary accidentals , Errors of GC