In the main text we give two accents written in GC, since the top one (short) could have been added there by Chopin, despite the presence of the bottom one (long).
Compare the passage in the sources »
category imprint: Graphic ambiguousness; Differences between sources
issues: Long accents, Errors in GE, GE revisions, Authentic corrections in GC
notation: Articulation, Accents, Hairpins