As includes in this bar only the two R.H. melody notes, which we interpret as an indication that it is the accompanying voices from bar 17 that should be repeated here (see next comment). One can also see that initially Chopin probably wanted to repeat the version of that bar in the melody too – the minim that opens the bar was first written as e
1. While preparing the Mazurka for print the composer eventually discarded the notion of diversifying the melody in this bar and maintained a strict analogy with the previous phrase.
Compare the passage in the sources»
category imprint: Interpretations within context; Differences between sources; Corrections & alterations
issues: Chopin's hesitations, Main-line changes
notation: Pitch