K 10 svn:author V 4 grog K 8 svn:date V 27 2003-05-05T08:42:42.000000Z K 7 svn:log V 249 Remove an accidental #include. Maintain sector sizes for all objects, not just for drives. Some of this could do with improvement: in particular, we get an error if the components of an object have different sector sizes. Clean up some comments. END