The change of the clearly long accents in A to short ones is certainly a result of an inaccuracy of GE (→FE→EE). The sign in bar 207 was initially written over the top stave in A, and then deleted and replaced with an accent between the parts of both hands.
Compare the passage in the sources »
category imprint: Differences between sources; Corrections & alterations
issues: Long accents, Inaccuracies in GE, Corrections in A
notation: Articulation, Accents, Hairpins
