Select: 
Category
All
Graphic ambiguousness
Interpretations within context
Differences between sources
Editorial revisions
Corrections & alterations
Source & stylistic information
Notation
All
Pitch
Rhythm
Slurs
Articulation, Accents, Hairpins
Verbal indications
Pedalling
Fingering
Ornaments
Shorthand & other
Importance
All
Important
Main


b. 40-41

composition: WN 17, Polonaise in B♭ major

No signs in JC & EF

 in PE

category imprint: Differences between sources

b. 40-41

composition: WN 17, Polonaise in B♭ major

No pedalling in JC

Pedalling in EF

Pedalling in PE

category imprint: Differences between sources

b. 40

composition: WN 17, Polonaise in B♭ major

Seventh in JC

Chord in EF

Octave in PE

category imprint: Differences between sources

b. 40

composition: WN 17, Polonaise in B♭ major

No slur in JC & EF

Slur in PE

category imprint: Differences between sources

b. 40-41

composition: WN 17, Polonaise in B♭ major

..

The accents in the main text are a part of major changes introduced by Chopin into [A] (→PE) in bars 40 and 41.

category imprint: Differences between sources