On recent GuixSD, IceCat accepts the Let's Encrypt certificate from https://git.dthompson.us/, but 'wget' rejects it:
mhw@jojen:~$ wget https://git.dthompson.us/presentations.git/blob/HEAD:/guix-blu-2016-01-20.pdf --2016-01-19 09:23:23-- https://git.dthompson.us/presentations.git/blob/HEAD:/guix-blu-2016-01-20.pdf Resolving git.dthompson.us (git.dthompson.us)... 23.92.20.238 Connecting to git.dthompson.us (git.dthompson.us)|23.92.20.238|:443... connected. ERROR: The certificate of ‘git.dthompson.us’ is not trusted. ERROR: The certificate of ‘git.dthompson.us’ hasn't got a known issuer. Mark
