In FE1 there is no 
lowering g
2 to g2, neither before the penultimate quaver in bar 26, nor at the beginning of bar 27. These patent inaccuracies were corrected both in FE2 and in EE. Moreover, in FE, both in the last octave in bar 26 and in the chord at the beginning of bar 27, all c notes have sharps. In EE the sharps are left only in bar 26. GE has a correct text in accordance with the modern notation rules.
Compare the passage in the sources »
category imprint: Differences between sources
issues: EE revisions, Accidentals in different octaves, Inaccuracies in FE, Cautionary accidentals, Omission of current key accidentals, FE revisions
notation: Pitch