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. 277-278

composition: Op. 39, Scherzo in C♯ minor

in GC and FE

in EE

in GE

..

Lack of the cresc. indication in EE is most probably an error (see the note to bar 275). Lack of the dashes delimiting the cresc. scope in GE is an error beyond any doubt. 

category imprint: Differences between sources

issues: Errors in EE

b. 277-280

composition: Op. 42, Waltz in A♭ major

No marks in FE

Long accents in FEG (contextual interpretation)

Long accents in GE

Short accents in EE

..

The accents written by Chopin in FEG raise doubts as to the type of the used accent and placement with respect to the bottom and upper stave. In the main text we present the most plausible interpretation of the signs written by Chopin in FEG, according to us.

category imprint: Graphic ambiguousness; Differences between sources

issues: Long accents , Authentic corrections of GE , Authentic corrections of EE

b. 277-278

composition: Op. 42, Waltz in A♭ major

 cresc. - - cresc. in FE

 cresc. - - in EE

cresc. - - in FEG (→GE)

..

In the main text we adhere to the dynamic markings written by Chopin in FEG (→GE). In the remaining two first editions cresc. is preceded with a  mark at the beginning of bar 277, which, however, most probably does not indicate a different dynamic concept, as in GE such level of dynamics seems to be most natural after  in bar 273. 

category imprint: Differences between sources

issues: Authentic corrections of FE , Authentic corrections of GE , Authentic corrections of EE

b. 277-280

composition: Op. 42, Waltz in A♭ major

No pedalling in FEG (→GE)

Pedalling in FE & EE

..

Concurrent and undoubtedly authentic pedalling comes from FE & EE.

category imprint: Differences between sources; Corrections & alterations

issues: Authentic corrections of FE , Authentic corrections of EE

b. 277

composition: Op. 21, Concerto in F minor, Mvt I

..

In the main text we add a cautionary  before e1.

category imprint: Editorial revisions