The raising a3 to a3, overlooked in A (→FE), was added in FC (→GE) and EE. The mark was also added in FESf.
Compare the passage in the sources »
category imprint: Interpretations within context; Differences between sources
issues: Annotations in teaching copies, EE revisions, Accidentals in different octaves, Fontana's revisions, Inaccuracies in A, Errors repeated in FE, Annotations in FESf
notation: Pitch