"Retcon means inventing an expanation after the fact, or splicing in a tale that doesn't really fit," Asar-Suti explains. "I think there must have been many new words since you died - the world changes, and that meanst that language changes with it. Language changes all the time while it's spoken."

Then he grins.

"There are quite a lot of children here by now - there is the blue-haired little girl who lives in the House Of Arch, and little Sunny who bites, and of course Seth, although he might be still too young to notice it's Christmas when that comes around again."