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b. 3-11

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

..

The extensions of every second semiquaver of each fourth in bars 3, 7 and 11 are not marked in AI.

category imprint: Corrections & alterations; Source & stylistic information

b. 3

composition: Op. 10 No 3, Etude in E major

g in AI & A (→FEEE,GE1GE1aGE2)

in GE3 (→GE4GE5)

..

The version of GE3 (→GE4GE5) is an example of an error resulting from shifting the note by a third.

category imprint: Differences between sources

issues: Errors in GE , Terzverschreibung error

b. 3-12

composition: Op. 10 No 3, Etude in E major

Slur in A

FE (→GE,EE)

..

The fact of beginning the slurs in bars 3-4 and 11-12 a half of the bar earlier is undoubtedly a result of Chopin proofreading of FE (→GE,EE).

category imprint: Differences between sources

issues: Authentic corrections of FE

b. 3

composition: Op. 10 No 3, Etude in E major

b in AI

e1 in A (→FEGE,EE)

..

The version of AI is already the second attempt to shape the inner voices in this place. Initially, Chopin wrote the following version, schematically developing the idea included in the previous bar: . In bar 11 Chopin deleted in AI also the second version, replacing it with a version which was eventually adopted in all analogous bars. 

category imprint: Differences between sources

b. 3

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

No sign in AI & FE (→EE2EE3)

Arpeggio sign in GE & EE4

..

Lack of the arpeggio mark in FE (→EE2EE3) may be explained with the correction of the part of the L.H., performed by Chopin in FE1 (see the adjacent note). Chopin, involved in changes in the structure and content of the chords, probably did not think of careful indication of their performance, considering arpeggios of such a broad chord to be obvious. Similarly in bars 11, 53 and 61. 

category imprint: Differences between sources; Editorial revisions

issues: EE revisions , GE revisions