[exim] exim web site documentation

main documentation page: https://exim.org/docs.html

there are links for:
The Exim Specification - Version 4.94.2 (HTML) (PDF)
The Exim Filter Specification - Version 4.94.2 9 (HTML) (PDF)

in both cases , the links to html works , the links to pdf fail

404 Not Found / nginx

-- 
Jim Pazarena         exim@???