AI
compare
AI and AF are lacking in the 
lowering d
to d. The patent inaccuracy was corrected in FE (→EE); it is also GE that features the correct text.
Compare the passage in the sources »
category imprint: Interpretations within context; Differences between sources
issues: Accidentals in different octaves, FE revisions, Inaccuracies in A
notation: Pitch