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b. 5

composition: Op. 12, Variations in B♭ major

..

The missing  raising e1 to e1 in FE must be an oversight – by FE or by Chopin. It was corrected both in GE and EE.

category imprint: Differences between sources

issues: EE revisions , Errors in FE , GE revisions , Omission of current key accidentals

b. 11

composition: Op. 12, Variations in B♭ major

..

In the main text we include the cautionary  to e2, added in GE2.

category imprint: Differences between sources; Editorial revisions

issues: GE revisions

b. 12

composition: Op. 12, Variations in B♭ major

..

In FE the  to the 11th semiquaver is missing, which is almost certainly an oversight, typical of Chopin. It was added both in GE and EE.

category imprint: Differences between sources

issues: EE revisions , Omissions to cancel alteration , GE revisions , Errors repeated in FE

b. 15

composition: Op. 12, Variations in B♭ major

..

In the main text we include the cautionary  to e2, added in GE2.

category imprint: Differences between sources; Editorial revisions

issues: GE revisions

b. 16

composition: Op. 12, Variations in B♭ major

..

In the main text we omit the most probably authentic – it is present in all sources – but unjustified cautionary  to g.

category imprint: Editorial revisions

issues: Cautionary accidentals