Issues : Omission of current key accidentals

b. 34

composition: Op. 27 No 2, Nocturne in D♭ major

..

 is missing before e in A (→GE1FEEE). ​This obvious mistake was corrected only in GE2.

category imprint: Interpretations within context; Differences between sources

issues: Omission of current key accidentals

b. 34

composition: Op. 27 No 2, Nocturne in D♭ major

..

In A (→GE) there are no accidentals before the last sixth. This obvious oversight was corrected in FE (→EE).

category imprint: Differences between sources

issues: Omission of current key accidentals

b. 35

composition: Op. 27 No 2, Nocturne in D♭ major

No accidental before the 3rd semiquaver of the triplet in A (→GE1FEEE)

 raising f2 to  sharp2 in GE2

..

The version with f2 is possible both from the harmonic and the melodic point of view. However, it seems much more probable that Chopin omitted the  by mistake, as a temporary A major is the key in force in this four bar section.

category imprint: Interpretations within context; Differences between sources

issues: GE revisions , Omission of current key accidentals

b. 35

composition: Op. 27 No 2, Nocturne in D♭ major

..

Before the penultimate semiquaver in  A (→GE1) the  raising b flat1 to b1 is missing.  This obvious mistake was corrected in FE (→EE) and GE2.

category imprint: Interpretations within context; Differences between sources

issues: GE revisions , Omission of current key accidentals , Authentic corrections of FE

b. 35

composition: Op. 27 No 2, Nocturne in D♭ major

..

Missing before the penultimate semiquaver in A (→GE1FEEE)  is the   raising d flat1 to d1. This obvious oversight was corrected in GE2.

category imprint: Interpretations within context; Differences between sources

issues: GE revisions , Omission of current key accidentals