In A there is no 
restoring b
2 on the last semiquaver in bar 233; both flats at the end of bar 237 are absent too. The mistakes were corrected by GE (→FE,EE,FESB).
Compare the passage in the sources »
category imprint: Interpretations within context; Differences between sources; Editorial revisions
issues: Accidentals in different octaves, Omissions to cancel alteration, GE revisions, Errors of A
notation: Pitch