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Source:
p. 9, b. 141-153
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In the majority of the sources, the 
raising d
2 to d2 is not before the note but 7 notes earlier, before d3 written at the same pitch, which in that time was generally considered to be enough. Strictly speaking, the sign is not necessary there at all, since d3 written at the pitch of d2 is already on the 4th note of the roulade – this observation most probably made the reviser of GE2 remove the sign before the second d3.
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category imprint: Interpretations within context; Differences between sources; Editorial revisions
issues: Accidentals in different octaves, GE revisions, Cautionary accidentals
notation: Pitch
Missing markers on sources:
GE1, A, GE1a, Morch, GE2, FE1, FE2, FES, FED, FEJ, EE1, EE2, EE3