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I would like to re-organize my categories and the permalink structure.

I want to rename and merge categories, make previous categories sub-categories and change the permalink structure from




The renaming and merging is not the problem, I am rather concerned about the resulting 404 errors.

How would you approach such a project?

Thanks, Eddie

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The canonical code within WordPress should actually already redirect those old posts to the new posts automatically. Have you tested that?

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Well I tried it on a xampp test install with the same database... it didn't work. – Eddie Sep 23 '11 at 5:22

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