User blog comment:MrDupin/Rant about periods and quotations marks/@comment-25428589-20150213120213/@comment-25941663-20150213120804

Hmm, maybe then only Americans do it? I did some little research before I posted this though, and I found that it is a quirk of the English language in general. To be honest, I only cross-referenenced between 3-4 sites so I may be wrong.