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


Rhythm

b. 199-200

composition: Op. 35, Sonata in B♭ minor, Mvt I

Repeated octave in GC (→GE) & FE

Tied octave in EE

..

It seems to be likely that no ties sustaining the g2-g3 octave in GC (→GE) and FE is only a result of Chopin's oversight in [A] – cf. the note to bar 197. The ties were probably added by Chopin in the base text to EE

category imprint: Differences between sources; Corrections & alterations

issues: Authentic corrections of EE

b. 217

composition: Op. 35, Sonata in B♭ minor, Mvt I

..

In GC (→GE1) the bar includes only 5 crotchets, as the copyist overlooked the third chord. The mistake was corrected in GE2.

category imprint: Differences between sources

issues: GE revisions , Errors of GC