many thinks[sic] like HTML, XML, Networking Protocols, are about strings more than they are about lists. HTML and XML structured as trees made from nested list

many thinks[sic] like HTML, XML, Networking Protocols, are about strings more than they are about lists. HTML and XML structured as trees made from nested lists. Manipulating them as strings is difficult and error-prone. Dealing with them as lists is much cleaner in most cases, even when your language isn't Lisp.