On 03/20/2013 04:17 PM, Jaime Villate wrote: > On 03/20/2013 01:45 PM, Stavros Macrakis wrote: >> xreduce('append, ...) will take [[a...],[b...]...] to [a...,b...,...]. > Ah, that's what we needed; thanks, Stravos. Oops sorry, Stavros :)