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b. 40

composition: Op. 10 No 6, Etude in E♭ minor

..

In GE4 (→GE5) the  raising d1 to dwas omitted.

category imprint: Differences between sources

issues: Errors in GE

b. 41

composition: Op. 10 No 6, Etude in E♭ minor

Long accent in A

No mark in FE (→GE,EE)

..

The omission of the mark by the engraver seems to be the most plausible reason for the missing accent in FE (→GE,EE).

category imprint: Differences between sources

issues: Long accents

b. 41-43

composition: Op. 10 No 6, Etude in E♭ minor

No slurs in A (→FEGE,EE2)

Slurs in EE3 (→EE4)

..

The slurs added in EE3 (→EE4) are most probably based on authentic slurs in bars 1-3. The revisers extended the analogy also to bar 40.

category imprint: Differences between sources

issues: EE revisions

b. 42-43

composition: Op. 10 No 6, Etude in E♭ minor

No a in A

a in FE (→GE,EE)

..

In the main text we give the version of the last semiquaver, introduced by Chopin in a proofreading of FE (→GE,EE).

category imprint: Differences between sources

issues: Authentic corrections of FE

b. 42

composition: Op. 10 No 6, Etude in E♭ minor

No slur in A (→FEGE,EE2)

Slur in EE3 (→EE4)

..

The slur added in EE3 (→EE4) is an arbitrary decision of the reviser, yet not devoid of intuition – cf. bar 2

category imprint: Differences between sources

issues: EE revisions