On the front page of Moodle, when a forum post is shortened, it lacks a space between the lang string and the number of words remaining:
Read the rest of this topic(167 words)...
Whereas it should really look like this:
Read the rest of this topic (167 words)...
(with a space between 'topic' and '('.
There is a Github commit here: https://github.com/sdc/moodle/commit/8d4e106db782ed7a1bf5c10a75957d5dba096a13 and I haev uploaded a patch too.