In A (→GE1→FE) there are no flats lowering g2 to g2 in bars 254 and 256. This patent inaccuracy was partially corrected in EE1 (→EE2), by adding a in bar 256. The correct text is only in GE2 and EE3.
Compare the passage in the sources »
category imprint: Interpretations within context; Differences between sources
issues: EE revisions, Accidentals in different octaves, GE revisions, Omission of current key accidentals, Inaccuracies in A
notation: Pitch