[Tutor] What is Ellipsis for?

[Ignacio Vazquez-Abrams]

I came across Ellipsis a while ago, and when I did, I just ignored it.
However, now I just finally have to know: What the hell is it for? I've tried
reading the last paragraph of section 5.3.3 over and over again and it just
doesn't make sense now matter how I push it around in the interpreter. Can
anyone explain its purpose to me please?

-- 
Ignacio Vazquez-Abrams  <ignacio@openservices.net>