GC
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The 
mark, appearing only in FE, seems very much in place from the musical point of view. This is also the only version that is definitely authentic, as the absence of that mark in GC (→GE) may be accidental, and in EE it is almost certainly so (cf. bar 275).
Compare the passage in the sources »
category imprint: Differences between sources
issues: Errors in EE
notation: Articulation, Accents, Hairpins