rem: void mergeCat       ( KABC::Addressee& entry, const KABC::Addressee& other) { entry.setCategories( other.categories() ); }
add: static void mergeCat       ( KABC::Addressee& entry, const KABC::Addressee& other) { entry.setCategories( other.categories() ); }
context:     void mergeCat       ( KABC::Addressee& entry, const KABC::Addressee& other) {        entry.setCategories( other.categories() );    }