For Birkin: this is the doubletree working at a new url! The url is /wordlist/latin, which calls its own template that is basically a copy of the original template but is its own separate file. In the original version, which is the url /wordlist - you can see in wordlist.js under the static/wordlist/js folder in the requestLang function that when Latin is selected in the dropdown, it calls the /wordlist/new_latin_data endpoint and then fills in the returned template into a div into the larger template.
For Birkin: this is the doubletree working at a new url! The url is /wordlist/latin, which calls its own template that is basically a copy of the original template but is its own separate file. In the original version, which is the url /wordlist - you can see in wordlist.js under the static/wordlist/js folder in the requestLang function that when Latin is selected in the dropdown, it calls the /wordlist/new_latin_data endpoint and then fills in the returned template into a div into the larger template.