The interpretation of the 
mark as an accent – possible in a different harmonic and, particularly, structural context – is almost certainly wrong here, at the end of a four-bar section. Therefore, in the main text we reproduce the mark as a diminuendo hairpin.
Compare the passage in the sources »
category imprint: Differences between sources
issues: Long accents, Inaccuracies in GE, Scope of dynamic hairpins
notation: Articulation, Accents, Hairpins