The version of FE1 (→FE2→EE) is certainly erroneous – it is proved both by the text of GC (→GE) and the proofreading of FE3 (→FE4). At the same time, it is only FE4 that includes a completely correct text, as FE3 overlooked the 
before the corrected note.
Compare the passage in the sources »
category imprint: Differences between sources
issues: Errors in FE, Terzverschreibung error, Errors in the number of ledger lines, Authentic corrections of FE
notation: Pitch