The UK's biggest newspaper publisher has warned of a continued advertising slump as it reports a fall in revenue for 2005.
   Trinity Mirror, which publishes around 250 regional and national titles, says revenue for the full year slipped from £1.14 billion ($2bn; 41.66bn) to £1.12bn. The company saw a 9.2% decline in its national advertising revenue, while regional advertising revenue slipped 2.7%.
   Overall, pre-tax profit rose to £209.5 million in 2005, compared with £207.1m the previous year.