A
compare
b. 21-25
Vertical accents in EE are most probably an arbitrary change introduced by the editor, although such form of accents in the manuscript - the base text for EE - cannot be completely excluded.
Compare the passage in the sources »
See b. 33
category imprint: Differences between sources
issues: EE revisions, Vertical accents
notation: Articulation, Accents, Hairpins