In A the staccato marks over the bass G
notes are clearly dots in this bar, and not wedges, as was the case before and as was conveyed by GE and the remaining editions. It was not an inaccuracy of notation, since in both places one can see traces of corrections (erasures). In the next bars, the bass notes are not marked staccato at all, which may suggest that the articulation should get gradually longer (milder?) as the modulation progresses and as the music calms down.
The absence of the second mark in GE1 (→FE,GE2→FESB) probably resulted from an oversight (or the engraver was uncertain which mark to apply). The additions in EE (the 2nd wedge in bar 268) and GE3 (the 2nd wedge in bar 268 and the wedge over the first F in bar 269) were arbitrary decisions of the revisers.
Compare the passage in the sources »
category imprint: Differences between sources
issues: EE revisions, Errors in FE, Inaccuracies in GE, GE revisions, Wedges
notation: Articulation, Accents, Hairpins