supercollider/supercollider — pull request #1013 by mortuosplango (2013-12-26 21:39:14+00:00)
Title: sc class library: SeqCollection.clump: fix clump, fixing #658

In clump, Collection.add was used without assigning the return
value back to the variable, resulting in a bug with a groupsize
of ca. 4.5