In the main text we add staccato dots under the B1 bass notes in these bars. There is no doubt that they should be performed with the same articulation as b. 51, hence Chopin could have considered the dot put the first time to be enough. It cannot be ruled out that the engraver of FE forgot to add a dot in a new line. Dots were added in EE. A similar situation can be found in b. 196-197.
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category imprint: Differences between sources; Editorial revisions
issues: EE revisions
notation: Articulation, Accents, Hairpins