Are you publishing the items, or are you consuming them?

If you are the publisher, then you can change the

--- In rss-public@yahoogroups.com, "bpcolumbia" <bjpaasch@...> wrote:
>
> How do I get an aggregator to recognize when a previously published item
changes?
>
> An example would be if an item was published and was later changed because of
a grammatical error that was corrected.
>