Human rights — Privacy — Discrimination — Sexual orientation — Homosexuality — Discrimination on grounds of sexual orientation — Hostility towards homosexuality in Tasmania — Sections 122(a) and (c) and 123 of Tasmanian Criminal Code — Criminalization of homosexuality — Relevance of non-enforcement of provisions — Whether provisions of Code violating Articles 2(1), 17 and 26 of International Covenant on Civil and Political Rights, 1966 — Whether author victim of arbitrary interference with his private life — Attacks on person and reputation — Reasonableness test — Relevance of public health and moral grounds — Equality before the law