Dear Neil I am not a business person and I object to your email messages. I have no products to sell and I should like to know why you think I do. Sincerely -- Sian Mountbatten (home web-site http://www.poenikatu.co.uk/>) Learning C++11 from the C++ Primer 5th edition. I'm an associate FSF member (no. 10888). Help us support software freedom! http://www.fsf.org/jf?referrer=10888