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b. 32

composition: Op. 10 No 12, Etude in C minor

..

In A (→FE) there is no  raising to G. The mistake was corrected in GE and EE. At the end of the bar in GE3 (→GE4) the  before the lower note of the octave in the R.H. was omitted. 

category imprint: Interpretations within context; Differences between sources

issues: EE revisions , Accidentals in different octaves , Errors in GE , GE revisions

b. 33

composition: Op. 10 No 12, Etude in C minor

in A

No indication in FE (→GE,EE

Our variant suggestion

..

We consider the indication's omission to be a more plausible explanation for its lack in FE (→GE,EE) than the composer's correction.

category imprint: Differences between sources

issues: Inaccuracies in FE

b. 34

composition: Op. 10 No 12, Etude in C minor

Fingering in A

Fingering in FE (→GE,EE

..

Three fingering digits of A were added by Chopin in a proofreading of FE (→GE,EE).

category imprint: Differences between sources

issues: Authentic corrections of FE

b. 34-36

composition: Op. 10 No 12, Etude in C minor

No fingering in A

Fingering in FE (→GE

Fingering in EE

..

In the main text we give the fingering added by Chopin in a proofreading of FE (→GE). In EE Fontana added it in bar 35 in order to eliminate any possibility of the use of erroneous fingering.

category imprint: Differences between sources

issues: EE revisions , Authentic corrections of FE

b. 34

composition: Op. 10 No 12, Etude in C minor

Dashes in A

No dashes in FE (→GE,EE

..

Omitting the dashes determining the range of a dynamic change is one of the most frequent inaccuracies of FE.

category imprint: Differences between sources

issues: Inaccuracies in FE