You need an example pdf on the page. Cycle through a few topical examples e.g brexit deal full text (it's over 1000 pages!)
https://ec.europa.eu/transparency/regdoc/rep/1/2020/EN/COM-2...
https://ec.europa.eu/transparency/regdoc/rep/1/2020/EN/COM-2...
Good idea! I'll note it down. :)