Select: 
Category
All
Graphic ambiguousness
Interpretations within context
Differences between sources
Editorial revisions
Corrections & alterations
Source & stylistic information
Notation
All
Pitch
Rhythm
Slurs
Articulation, Accents, Hairpins
Verbal indications
Pedalling
Fingering
Ornaments
Shorthand & other
Importance
All
Important
Main


b. 7-8

composition: Op. 10 No 10, Etude in A♭ major

..

The natural raising a1 to a1 in bar 7 and the  returning d1 in bar 8, omitted in A, were added in a proofreading of FE (→GE,EE).

category imprint: Interpretations within context; Differences between sources

issues: Accidentals in different octaves , Omissions to cancel alteration , Authentic corrections of FE , Inaccuracies in A

b. 7-8

composition: Op. 10 No 10, Etude in A♭ major

No fingering in A (→FEGE)

Fingering in EE

..

The fingering added by Fontana in EE naturally follows from the figurations.

category imprint: Differences between sources

issues: EE revisions

b. 7-8

composition: Op. 10 No 10, Etude in A♭ major

Crotchets in A

Quavers in FE (→GE,EE)

..

Lack of extensions of c1 and b in FE (→GE,EE), written in A in bars 7 and 8, is most probably an oversight of the engraver.

category imprint: Differences between sources

issues: Inaccuracies in FE

b. 7-8

composition: Op. 10 No 10, Etude in A♭ major

No pedalling in A

Pedalling in FE (→GE,EE)

..

Chopin added the pedalling of these bars while proofreading FE (→GE,EE).

category imprint: Differences between sources

issues: Authentic corrections of FE

b. 7

composition: Op. 10 No 4, Etude in C♯ minor

4 slurs in AI

No slurs in FE (→GE,EE2)

Slur in EE3 (→EE4)

..

The missing slurs in FE (→GE,EE2) must be considered as inaccuracy here, hence in the main text we give the slurs of AI, in accordance with the slurring of the editions in bar 3. In EE3 (→EE4), the bar was embraced with one slur after analogous bar 57.

category imprint: Differences between sources

issues: EE revisions