The 
marking extends in A from the last quaver in bar 111 to the first chord in bar 112, so that FE put it only in bar 112. In the editors opinion, it is GC (→GE) and EE who conveyed Chopin's intention correctly – if he had wanted the marking to apply only from bar 112, there would have been no reason to start writing so much earlier in the previous bar. See also bar 136.
Compare the passage in the sources »
category imprint: Graphic ambiguousness; Differences between sources
issues: Centrally placed marks
notation: Verbal indications