Chopin added the grace note while proofreading FE2 (→EEW), which we introduce to the main text, since it is the latest version of an enhancing nature. The change of the type of grace note in EEC is a manner of the engraver, who did not use a slashed grace note in this Mazurka even once.
Compare the passage in the sources »
category imprint: Differences between sources; Editorial revisions; Corrections & alterations
issues: Errors in FE, Errors resulting from corrections, Authentic corrections of FE
notation: Pitch