A
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The missing wedge in GE (→FE,EE,IE) is almost certainly an oversight – in A the mark was written too high, closer to the R.H., hence it could have been overlooked while working on the L.H. part (starting from the 2nd half of this bar, Chopin wrote the marks concerning the R.H. above the top stave).
Compare the passage in the sources »
category imprint: Differences between sources
issues: Errors in GE
notation: Articulation, Accents, Hairpins