Dot product?

[Greg Ewing]

"Magnus L. Hetland" wrote:
> 
> That was my point exactly - if list1 and list2 were known to be lists,
> the "and" would be a safe delimiter, just as it is in its first
> occurrence.

I don't think it would be a good idea to special-case the
meaning of "and" like that. The expression (x and y)
already has a well-defined meaning even when x and y
are both lists, albeit not a particularly useful one.
Changing it would be introducing an inconsistency of a
different sort.

Greg