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b. 21

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

..

The slur of AI overlooks the first two and last two semiquavers of the bar. The context indicates here a patent inaccuracy of notation.

category imprint: Interpretations within context; Differences between sources

issues: Inaccurate slurs in A

b. 21

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

No sign in AI

 in FE (→GE1GE1a)

 in EE

 in GE2 (→GE3GE4GE5)

..

The differences of the length of the sign are certainly non-authentic and probably originate from extra-musical reasons.

category imprint: Differences between sources

issues: Inaccuracies in GE , EE inaccuracies

b. 23

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

a1 in AI, FE (→GE) & EE3 (→EE4)

..

The  raising a1 to awas omitted in EE2. This patent error was corrected in EE3 (→EE4).

category imprint: Differences between sources

issues: Errors in EE

b. 23

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

..

The  lowering g1 to gwas omitted in EE2. This patent error was corrected in EE3 (→EE4).

category imprint: Differences between sources

issues: Errors in EE

b. 23-24

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

No fingering in AI & FE (→GE)

Fingering in EE

..

The fingering added in EE comes from Fontana.

category imprint: Differences between sources

issues: EE revisions