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. 5

composition: Op. 28 No. 17, Prelude in A♭ major

..

EE overlooked the  sign.

category imprint: Differences between sources

issues: Errors in EE

b. 5

composition: Op. 28 No. 18, Prelude in F minor

..

We add cautionary flats before b(1) at the beginning of the bar.

category imprint: Editorial revisions

b. 5

composition: Op. 28 No. 20, Prelude in C minor

..

We add a cautionary  before a1 in the main text.

category imprint: Editorial revisions

b. 5

composition: Op. 28 No. 12, Prelude in G♯ minor

..

FE1 has no  before the 2nd L.H. crotchet. The mistake was corrected in FE2 (→EE).

category imprint: Interpretations within context; Differences between sources

issues: Errors in FE , FE revisions

b. 5

composition: Op. 23, Ballade in G minor

..

We add cautionary naturals before f1 and f2 in the main text.

category imprint: Editorial revisions