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. 81

composition: Op. 63 No. 1, Mazurka in B major

c2-e2 semiquaver in AI

c2-e2 quaver in FE (→GE,EE)

category imprint: Differences between sources; Corrections & alterations

issues: Dotted or even rhythm

b. 81

composition: Op. 63 No. 1, Mazurka in B major

..

In the main text we add a cautionary  to c1 in bar 81. The accidental was also added in GE3.

category imprint: Differences between sources; Editorial revisions

issues: GE revisions

b. 82

composition: Op. 63 No. 1, Mazurka in B major

Long accent in AI

No mark in FE (→GE,EE)

category imprint: Differences between sources; Corrections & alterations

b. 82

composition: Op. 63 No. 1, Mazurka in B major

Chord with d1 in AI

No d1 in FE (→GE,EE)

category imprint: Differences between sources; Corrections & alterations

issues: Accompaniment changes

b. 83-85

composition: Op. 63 No. 1, Mazurka in B major

..

In bars 83 and 85 in AI and FE1 (→GE) there is a  to a1 on the 3rd beat of the bar (cautionary?). In the main text we omit this unnecessary accidental, as it was performed in FE2 (→EE).

category imprint: Differences between sources

issues: FE revisions