Strange text formatting

[metayan]

When viewing the 2018 page in

Firefox:

Safari:

[Shinmera]

That just means Safari's text-align: justify behaviour is beyond horrible. Which version is this?

[metayan]

It was Safari 11.1, but I saw the same (or at least very similar) behaviour in the previous version.
Notice that Firefox also does something strange in the third paragraph. (Firefox 58.0 and 60.0)

[equwal]

The issue with Firefox is in the input data in 2018.lisp. See the pull request #14