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


Ornaments

b. 200

composition: Op. 22, Polonaise

Grace note in FE

No grace note in EE & GE

..

In FE this bar is identical to b. 56. The version of EE and GE is most probably an earlier version of this place, changed by Chopin in the last stage of proofreading of FE.

category imprint: Differences between sources

issues: Authentic corrections of FE