2008/6/29 <ssalazar@cs.princeton.edu>:
One pretty important use for me is in writing clear for loops that use multiple counter variables.  For example, suppose you have a loop like this:


Looks good! In that case I'm happy I ran into it, sometimes all those typos are a blessing :¬).

Is it just me or is this undocumented? I can't remember ever reading about it.

Thanks, Spencer!
Kas.