http-client user-agent example added by mario-goulart on Thu Jan 6 20:39:50 2022
(client-software
'#((("Mozilla" "5.0" "X11; Linux x86_64; rv:78.0")
("Gecko" "20100101" #f)
("Firefox" "78.0" #f))
()))
(client-software
'#((("Mozilla" "5.0" "X11; Linux x86_64; rv:78.0")
("Gecko" "20100101" #f)
("Firefox" "78.0" #f))
()))