The version of A with a
as the 11th semiquaver is almost certainly an example of the Terzverschreibung mistake, since a momentarily introduction of a seventh in this place and then a return to f still before its resolution cannot be sonically explained. Also in the perspective of the entire eight-bar section (225-232), the violation of the harmonic unity of the bar seems to be unadvisable – each of six bars, built on a figuration of such a structure, stabilises the harmonic course and brings resolution of tensions from the previous bar, at the same time preparing the 
entrance of a new, unexpected chord (containing a dissonance or at least constituting a subsequent part of an ascending progression). Introducing a seventh, which would increase the tension, would undermine the dramatic expression of this scheme.
The mistake was corrected already in GE (→FE→EE).
category imprint: Interpretations within context; Differences between sources; Corrections & alterations
issues: Terzverschreibung error, Errors of A, Authentic corrections of GE
notation: Pitch
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