The varied accents – long over crotchets and short over quavers – are written in A. However, it must be stated that the difference is not obvious at first glance and was not reproduced in any of the remaining sources.
The use of vertical accents is certainly an arbitrary decision of the engraver of EE (cf., e.g., the Etude in F major, No. 3, bars 29-31).
Compare the passage in the sources »
category imprint: Graphic ambiguousness; Differences between sources
issues: Long accents
notation: Articulation, Accents, Hairpins