The reproduction of the long accent in GE1 (→FE) most probably resulted from mistaking it for short diminuendo hairpins. This conviction may also explain further changes in EE and GE2 (→GE3), in which reviewers changed what they considered improper diminuendos to accents.
Compare the passage in the sources »
category imprint: Differences between sources
issues: Long accents, GE revisions, EE inaccuracies
notation: Articulation, Accents, Hairpins