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On Thu, Oct 18, 2012 at 8:48 AM, Dirk Laurie <dirk.laurie@gmail.com> wrote:
>  The explicit  appearance of the brackets would warn the reader that after
> `t={[a()],[b()],"third"}` something other than `t[3]` might be`"third"`.

This reads well, and would probably be easier to do and less confusing
than the postfix ... that has been suggested.

It means that {[1,2],[3,4]} is just a fancy way of saying {1,2,3,4}

steve d.