In A 4 accidentals are missing – the sharps to f
2 and f1 and the naturals to a1 and f1. Three of them – except the 
to a1 – were added in GE (→EE). The correct text is only in FE and IE.
Compare the passage in the sources »
category imprint: Interpretations within context; Differences between sources
issues: Accidentals in different octaves, GE revisions, FE revisions, Inaccuracies in A, Errors repeated in GE, Errors repeated in EE,
notation: Pitch