On Sun, 2012-01-15 at 00:25 +0100, Arne Babenhauserheide wrote: > Am Sonntag, 15. Januar 2012, 00:08:24 schrieb Pierre-Yves David: > > On 14 janv. 2012, at 23:59, Arne Babenhauserheide wrote: > > repo have a known([node,…]) method ..except when they don't. -- Mathematics is the supreme nostalgia of our time.