FE1
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In FE, there is no 
raising b2 to b
2. The inaccuracy, most probably repeated after [A], was corrected in GE and EE.
Compare the passage in the sources »
category imprint: Interpretations within context; Differences between sources
issues: EE revisions, Accidentals in different octaves, Inaccuracies in FE, GE revisions
notation: Pitch