rem: void mergeISDN      ( KABC::Addressee& entry, const KABC::Addressee& other) { entry.insertPhoneNumber( other.phoneNumber( KABC::PhoneNumber::Isdn ) ); }
add: static void mergeISDN      ( KABC::Addressee& entry, const KABC::Addressee& other) { entry.insertPhoneNumber( other.phoneNumber( KABC::PhoneNumber::Isdn ) ); }
context:     void mergeISDN      ( KABC::Addressee& entry, const KABC::Addressee& other) {        entry.insertPhoneNumber( other.phoneNumber( KABC::PhoneNumber::Isdn ) );    }