In the sources there is no lowering d1 to d1. Chopin's attention was caught by the beginning of the bar – he removed g1 from the 1st quaver; he also crossed out the second one and rewrote it next to it.
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category imprint: Interpretations within context; Editorial revisions
issues: Omission of current key accidentals, Inaccuracies in A, Errors repeated in GE, Errors repeated in FE, Errors repeated in EE
notation: Pitch