Christopher Honoré’s Sorry Angel is an AIDS film where the presence of the virus comes through in tone and colour rather than political sentiment. The writer and director bathes the interiors and costuming of his cross-generational French romance in hues of blue. It is the colour of melancholy, of the autumn sky just before the light gives out — and, crucially, of hospital wards. Jacques (Pierre Deladonchamps) is a mildly successful but emotionally withdrawn Parisian novelist (imagine!) who is HIV positive but still in reasonably good health. But it’s the 1990s, and so his condition is more or less fatal. He has…