In AI the indications 
and legatissimo are missing. In this kind of situation, when AI is the only source in which an indication or sign are missing, we do not give this version as an alternative to the versions of other sources. This manuscript had a private, working character and in such situations the missing indications must be considered only as a proof of the notation's underdevelopment.
In the main text we give both indications in the place where Chopin put them in A. In FE (→GE,EE) legatissimo was placed between the staves, while – not until f1 in the R.H.
Compare the passage in the sources»
category imprint: Differences between sources
issues:
notation: Verbal indications