WF.X. v The Clinical Director of Central Mental Hospital and AnotherWFlickinger v Crown Colony of Hong KongWHabeas Corpus Act 1640WHabeas Corpus Act 1679WHabeas Corpus Act 1816WHabeas Corpus Act 1862WHabeas Corpus Suspension Act 1794WHabeas Corpus Suspension Act 1817WSecretary of State for Foreign and Commonwealth Affairs v Rahmatullah