In all sources except for A, the slurs of the L.H. are not separated in these bars. Presumably, both the copyist and the engravers considered the gaps to be an inaccuracy of the slurs' links in A, especially that the slurs of the R.H. were actually extended in these places.
Compare the passage in the sources »
category imprint: Differences between sources
issues: Inaccuracies in FE, EE inaccuracies, Inaccuracies in GC
notation: Slurs
