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In connection to my previous question I have another one.

I have created feed using this schema:

Now I have a problem with < updated > tag. It occurs two times (in head and in every entry). I understand that while changing one feature I have to change date two times (head and feature entry).

How geowebcache recognizes this? Will it check tags for every feature and compare it with internal "last checked" value? If there is mismatch, geowebcache expire certain tiles?

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