Adding some URL failed but should have worked
On master
I tried adding https://lesjours.fr/
and got:
Error downloading
https://lesjours.fr/https://lesjours.fr/rss.xml
, code404
The page contains
<link rel="alternate" type="application/rss+xml" href="https://lesjours.fr/rss.xml" />
Adding https://lesjours.fr/rss.xml
works.