The origin of the difference in the position of the pedal markings between A and FE is unclear. In A bar 52 is tightly packed, as a result of which the 
mark is actually under the rest, whereas it starts at the beginning of the bar. It could have been misinterpreted by the copyist as a pedal change between bars 51-52. If we were to add to it a mistake in the placement of the next 
mark, the FE pedalling would come from mistakes. On the other hand, it is pianistically justified and could have been introduced by Chopin – cf. the authentic pedalling of all subsequent appearances of the descending motif consisting of three octaves (bars 153-154, 197-198 and 233-234), in which it always enters against a sound sustained with pedal (pressed earlier). Taking into account the above, in the main text we suggest a variant solution with the A pedalling as the main one.
The change of pedalling in EE2 was undoubtedly influenced by GE1.
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category imprint: Differences between sources; Editorial revisions
issues: EE revisions, Inaccuracies in FE, Authentic corrections of FE
notation: Pedalling