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I went back and looked at my original post. I suspect he was originally commenting on the statement that in my tests I stored article URLs for comparison. The reason I did it that way and not only by date comparison (I actually did it both ways) was to also solve the problem of duplicate articles seen in many recipes where the same article is often listed in several feeds. The feed on Energy and the feed on Politics might have the same article listed about the new Energy Bill. I was thinking about how to solve both problems simultaneously.
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