On Wednesday, October 10, 2012, Eric Abrahamsen wrote: > The difference, as far as I know, is that in the first method you can > have multiple values per list (so something like (william "William" > "White" "xx@xxxxxx.org")), whereas the dotted cons cell notation (the > second one) only allows two atoms. FYI, '(william "William" "White" "xx@xxxxxx.org") is exactly the same as '(william . ("William" "White" "xx@xxxxxx.org")) For that matter it's the same as '(william . ("William" . ("White" . (" xx@xxxxxx.org" . nil)))). A list is just a chain of cons cells. -- -PJ Gehm's Corollary to Clark's Law: Any technology distinguishable from magic is insufficiently advanced.