In FE, there are no accidentals before the top note of the fifth and last fourth. In EE, a was added before the first of them (g2), whereas in GE, it was added before both (g2 and b2). According to us, it is only the first addition that is justified.
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category imprint: Differences between sources; Editorial revisions
issues: EE revisions, GE revisions, Cautionary accidentals
notation: Pitch