e
3 as the 5th semiquaver in FE (→GE1,EE1) is almost certainly a mistake – disturbing a regular progression is both harmonically and melodically unjustified. The engraver's mistake could have been provoked by resemblance of the 2nd half of that bar to the 1st half of the next one – such a hypothesis is confirmed by visible traces of removal of the 
from before a3, the 7th semiquaver in bar 341, in FE. The revisers of GE2 and EE2 (→EE3) corrected that note.
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category imprint: Differences between sources
issues: EE revisions, Errors in FE, Errors in EE, Errors in GE, GE revisions
notation: Pitch