ROYAL VISITS to Northern Ireland in the early 1980s were subject to much head-scratching. The file of internal correspondence and briefings between 1982 and 1984 released this morning gives an insight into the government sensitivities and sensibilities. Should a senior Royal visit a particular military unit? Why would the Ordinance Survey NI only be a suitable visit for a male VIP? How neutral would the BBC be as a potential venue? Is a school speech day sufficiently important to warrant a visit?