The government says the bill is designed to plug loopholes in current regulation by allowing Hong Kong to determine on a case-by-case foundation whether or not or to not send fugitives to territories where it doesn’t have formal extradition deals - corresponding to Taiwan, Macau and mainland China. Legal texts are the most professional and "hard-core" supply language texts, which centrally and intuitively reflect the current state of a country's legal development. Having finished with Euler's Optics for the time being, it appeared to be a good idea to present an English language model of Gauss's famous paper, which established the start of modern lens optics, his Dioptrische Untersuchungen or Optical Investigations.