In Luk Siu Fong III series, Lo Doh Bah Tze tests Luk Siu Fong's martial arts knowledge and Luk Siu Fong mentions Shaolin's Gum Gong Tze and Dali's Yet Yeung Chi. Is this accurate to the novel or made up by the producers? I thought Dali's Yet YEung Chi was an invention by Jin Yong.