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b. 53-54

composition: Op. 25 No 6, Etude in G♯ minor

..

In FC, the 3rd and 4th groups of semiquavers in bar 53 and last three in bar 54 are written in an abbreviated manner as repetition of the group preceding the // signs, written with notes.

category imprint: Differences between sources

issues: Abbreviated notation of A

b. 53

composition: Op. 25 No 6, Etude in G♯ minor

No marking in FC (→GE)

in FE & EE

..

The missing  in FC (→GE) may be explained with an oversight of the copyist or inadvertence of Chopin, if he added this indication in the already finished Stichvorlage manuscripts.

category imprint: Differences between sources

issues: Errors of FC

b. 56

composition: Op. 25 No 6, Etude in G♯ minor

a2 in FC (→GE1GE2), FE & EE

a2 in GE3

..

Clamant revision of GE3 – see bar 52.

category imprint: Differences between sources

issues: GE revisions

b. 57

composition: Op. 25 No 6, Etude in G♯ minor

Fingering in FC (→GE) & EE

Fingering in FE

..

Chopin completed and changed the beginning of fingering of the top voice in the proofreading of FE.

category imprint: Differences between sources

issues: Authentic corrections of FE

b. 57

composition: Op. 25 No 6, Etude in G♯ minor

 in FC (→GE)

No sign in FE & EE

..

The  sign was introduced into FC most probably by Chopin.

category imprint: Differences between sources

issues: Authentic corrections of FC