Alto, bar 129: the second note (C#) is a semiquaver, not a quaver, in both the Bach-Gesellschaft Ausgabe (BGA) and in the Peters edition. The rest at the end of the bar is extended accordingly. Max a.k.a. --Choralia (talk) 19:58, 5 March 2014 (UTC)
Online edition corrected by the editor today. Max a.k.a. --Choralia (talk) 21:12, 5 March 2014 (UTC)