IE
compare
b. 161
In A there are no augmentation dots on the c1-e1 third at the beginning of b. 153 (and also 161, marked as repeat). The corresponding b. 149 (157) is illegible due to the charred manuscript, and threre are no reasons to differentiate them, in which case all augmentation dots in FC3 (→FE→IE), GE and EE must have been added by the copyist, who decided they had been omitted by Chopin (as some such omissions were traced in Chopin's A).
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See b. 153
category imprint: Interpretations within context; Differences between sources; Editorial revisions
notation: Rhythm