http://www.bbc.co.uk/editorialguidel...language-full/
Trust the BBC to write a book on it and if you don't fall asleep you will discover that "strong language" must be carefully assessed.
Fuck was first heard on tv in November 1965 - enormous fuss about it - even questions asked in Parliament.
The funny part was that the leading campaigner said that Kenneth Tynan should have his bottom smacked (little knowing his penchant for flagellation)