Mmm... not sure why the detailed pages would be built. There are a couple of reasons a full rebuild will be done with a "Build Changed". IMO, they are;

1)You've edited a root category (i.e Regional/ and then all the subcats will need to be rebuilt)
2) You've changed something in LSQL, which means the templates have changed globally (i.e a change to an include file or something).
3) You've globally updated one of the links properties (i.e Votes, hits, etc), so it looks like the links have been changed (and thus their appropraite category pages are being built).

More than likely, its number 3.

I could be wrong totally though

Hope that helps.

Cheers

Andy (mod)
andy@ultranerds.co.uk

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