in 
d
in 
Chopin added the grace note in GC (it is written with his hand) and in the proofreading of FE (one can see that there was no space for it). The improvement was also introduced in EE2 (→EE3), most probably on the basis of comparison with FE. In all editions the sign has a form of a slashed, small quaver, which undoubtedly corresponds to the performance of this ornament, however, it is contrary to double – here and in bar 67 – Chopin's own entry in GC. In the main text we give the undoubtedly authentic notation of GC, as in the case of the slashed grace note in FE there it is uncertain whether it actually corresponds to Chopin entry in the proof copy.
The issue of cautionary sharps before the grace note and d
3 – see the adjacent note.
Compare the passage in the sources»
category imprint: Differences between sources; Corrections & alterations
issues: GE revisions, Authentic corrections of FE, Authentic corrections in GC
notation: Ornaments