Issues : Centrally placed marks

b. 12

composition: Op. 10 No 4, Etude in C♯ minor

 in AI, literal reading

 in AI, contextual interpretation

 in FE (→GE,EE2)

, possible interpretation of FE (→GE,EE2)

 in FE (→GE,EE2), probable interpretation

 &  in EE3 (→EE4)

..

The  mark in AI is clearly valid from the beginning of the bar. In turn,  in FE (→GE,EE2), apart from the literal reading, can be interpreted in several ways, e.g., as  valid in this place or – which is more plausible – as  valid from the beginning of the bar. In the main text we propose the latter, being the resultant of both source notations (Cf. also analogous bar 62).
In EE3 (→EE4) an arbitrary  was added to  adopted from FE (near the end of the bar), probably on the basis of comparison with bar 62.  

category imprint: Interpretations within context; Differences between sources; Editorial revisions

issues: EE revisions , Centrally placed marks