The sources have different types of accents used in those bars, and those accents are also placed differently. In our main text we have the version of GC that unifies those differences. It may also be considered as an interpretation of the notation of FE and EE. The version of EE is probably inaccurate.
Compare the passage in the sources »
category imprint: Graphic ambiguousness; Differences between sources
issues: Long accents, EE inaccuracies
notation: Articulation, Accents, Hairpins