David Masterson <dsmasterson@gmail.com> writes:

>> AFAIK, closed date intervals with time are currently not supported by
>> org-agenda. You can instead use diary sexp timestamps, a bunch of active
>> timestamps in the body, or M-x org-clone-subtree-with-time-shift
>
> "a bunch of active timestamps"?!?  Ooh!  I hadn't gotten the impression
> that that was allowed from the "Dates and Times" section of the manual.
> It always talked about "a timestamp" and it made sense to me that a task
> would only have one timestamp.  Can a statement be added to the manual
> to make this explicit?

How about the attached patch?