IE1
compare
As in bar 7, the omission of both 
signs is a mistake by the EE1 engraver, who committed several dozen mistakes in this and the next 3 bars. EE2 added a 
sign, which Chopin used much less often.
See also the next note.
Compare the passage in the sources »
category imprint: Differences between sources
issues: EE revisions, Errors in EE
notation: Verbal indications
