The 
indication, appearing in the repetition of bar 9 next to the G
1-G octave in the L.H., in all editions, undoubtedly results from a misinterpreted correction of Chopin in A. While correcting the erroneous indication, the composer overwrote a pedal's release sign on it (after all, too late). In GE2 (→GE3→GE4→GE5) was additionally arbitrarily changed to .png)
. The first indication could have been removed by Chopin in the proofreading of FE1. The absence of a respective correction in the analogous bar in the repetition is undoubtedly an oversight of Chopin or of the engravers.
Compare the passage in the sources»
category imprint: Graphic ambiguousness; Differences between sources
issues: Errors in FE, Errors in EE, Errors resulting from corrections, Errors in GE
notation: Verbal indications