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b. 3

composition: Op. 24 No. 1, Mazurka in G minor

..

In GE2 (→GE3) a cautionary  was added before a1 on the last chord. That unjustified revision was probably done to imitate Chopin's signs in analogous bars 11, 51 and 59.

category imprint: Differences between sources

issues: GE revisions , Cautionary accidentals

b. 3-4

composition: Op. 24 No. 1, Mazurka in G minor

..

Visible in A is the erased original version of the accompaniment, in which both bars had G crotchet with a staccato dot falling on the 1st beat. Both bars also had pedalling analogous to the pedalling preserved in adjoining bars. The notation before the change was as follows: 

category imprint: Corrections & alterations; Source & stylistic information

issues: Corrections in A , Accompaniment changes

b. 9

composition: Op. 24 No. 1, Mazurka in G minor

..

In GE2 (→GE3) a cautionary  was added before c1.

category imprint: Differences between sources

issues: GE revisions

b. 11

composition: Op. 24 No. 1, Mazurka in G minor

..

In this bar and the two analogous ones (51 and 59) Chopin inserted a cautionary   before ain A (→GEFEEE). We omit that unnecessary sign.

category imprint: Editorial revisions

issues: Cautionary accidentals

b. 13

composition: Op. 24 No. 1, Mazurka in G minor

Without d1 in A (→GE)

d1 added in FE (→EE)

..

When correcting FE (→EE), Chopin made the accompaniment in this bar fully resemble that in all the analogous bars.

category imprint: Differences between sources; Corrections & alterations

issues: Accompaniment changes , Authentic corrections of FE