Bake the tomatoes till soft and remove the skins. Boil them to a pulp in 1 pint of vinegar. Boil the sugar to a thick syrup in the other pint of vinegar. Pound the raisins, the chillies and garlic in a mortar to a paste, mix all the other ingredients, adding the salt. Put in a saucepan over a slow fire and simmer, stirring continuously, till the mixture thickens. Remove from the fire and bottle when cold.