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b. 47-48

composition: Op. 26 No 2, Polonaise in E♭ minor

..

In A there are no naturals rising D to in bar 47 and D-d to D-in bar 48. The obvious inaccuracy was corrected in all editions.

category imprint: Differences between sources

issues: Omission of current key accidentals , Authentic corrections of FE

b. 49

composition: Op. 26 No 2, Polonaise in E♭ minor

A, literal reading

A (contextual interpretation), GE2 (→GE3GE4) & EE2

FE (→GE1,EE1)

..

Bars 49-68 were marked in A with numbers 1-20 as repetition of the initial fragment of the piece. However, the 'one' in bar 49 seems to be deleted, whereas the 1st half of the bar is written with notes, which, allegedly, was supposed to facilitate the engraver's orientation in the abbreviated notation and prevent a too literal repetition of the beginning of the Polonaise (e.g., together with the tempo indication). Unfortunately, due to the fact that Chopin erroneously completed this bar with rests, FE initially printed the truncated version, without the last two chords (the traces of correction of this error are clearly visible). See the next note on slurs in this bar, and also the previous one. Similarly in bar 153.

category imprint: Interpretations within context; Differences between sources; Corrections & alterations

issues: Errors of A , Abbreviated notation of A , Authentic corrections of FE

b. 51

composition: Op. 26 No 2, Polonaise in E♭ minor

..

The flats restoring A and a were added in proofreading FE (→EE,GE).

category imprint: Interpretations within context; Differences between sources

issues: Authentic corrections of FE

b. 58

composition: Op. 26 No 2, Polonaise in E♭ minor

d2 & d3 in A (→FEEE)

d2 & d3 in GE

..

Both versions are authentic.

category imprint: Differences between sources; Corrections & alterations

issues: GE revisions

b. 59

composition: Op. 26 No 2, Polonaise in E♭ minor

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GE4 added a cautionary  next to a1 in the L.H.

category imprint: Differences between sources

issues: GE revisions