Despite reading your reply to John
in "METAs again," I remain puzzled.
1. What is the whole story on commas,
phrases, and spaces between words and
2. Uppercase/lowercase seems a no-brainer
if all we need to know is that a lower-
case search will find any case or case
The answer is obvious: use all upper-case,
just in case (moan...).
You seem to know something more. Is there
search engine weighting involved?